| Subject | English | Spanish |
| el. | ac motor driven seal oil pump | bomba de aceite de obturación movida por motor de corriente alterna |
| el. | ac seal oil pump | bomba de aceite de obturación movida por motor de corriente alterna |
| commun., IT | advanced electronic seal | sello electrónico avanzado |
| transp., mater.sc. | to affix a seal | poner un precinto |
| transp., mater.sc. | to affix a seal | precintar |
| tax. | affixing of customs seals | puesto bajo precinto aduanero |
| fin. | affixing of Customs seals | colocación de los sellos aduaneros |
| tax. | affixing of customs seals | precinto aduanero |
| avia. | air oil seal | sello oleoneumático |
| pack. | air seal | aislamiento atmosférico |
| pack. | air seal | aislamiento ambiente |
| pack. | air seal | soldadura estanca |
| tech. | air tight seal | cierre hermético |
| antenn. | air-tight seal | cierre hermético |
| mater.sc., mech.eng. | annular seal | junta circunferencial |
| mater.sc., mech.eng. | annular seal | junta anular |
| ichtyol. | Antarctic fur seal | lobo fino antártico Arctocephalus gazella |
| transp., mater.sc. | to apply a seal | precintar |
| transp., mater.sc. | to apply a seal | poner un precinto |
| el. | attitude immersion seal | junta hermética de inmersión en altitud |
| met. | automatic recognition of seals | reconocimiento automático de sellos |
| earth.sc., mech.eng. | axial seal | junta axial |
| transp., mater.sc. | axle seal | junta de pivote |
| auto. | axle seal | sello del eje |
| tech. | back-up seal | obturador secundario |
| tech. | back-up seal | obturador auxiliar |
| pack. | bag seal | cierre de bolsas |
| el. | barrier seal | junta de estanquidad |
| nat.res. | bearded seal | foca barbuda (Erignathus barbatus) |
| mater.sc., mech.eng. | bellow-seal valve | válvula de sellado en fuelle |
| industr., construct., chem. | block seal test | ensayo de dilatación de soldadura |
| mech.eng. | blowing seal feeder | esclusa rotatoria con alveolos soplados |
| mater.sc. | bonded seal | cierre por pegado |
| auto. | boot seal | bota cubrepolvo |
| transp., construct. | bottom water seal for the leaf of a metal gate | forro de impermeabilidad de una hoja de puerta metálica |
| el. | button seal | junta inferior |
| tech. | cabin seal regulator | regulador de obturación de la cabina |
| el. | cable seal | prensaestopa de cable |
| pack. | cap-seal | membrana de la tapa |
| nat.res. | Cape fur seal | lobo marino del Cabo (Arctocephalus pusillus) |
| tech. | carbon face seal | sello con cara de carbón |
| tech. | carbon seal | sello de carbono |
| gen. | cartridge-type seal | junta de tipo cartucho |
| tech. | channel seal | sello de canal |
| earth.sc., mech.eng. | chevron seal | junta de tipo chevrón |
| pack. | closure seal | disco de recubrimiento (para el dispositivo de cierre) |
| mater.sc., industr., construct. | closure seal | disco de recubrimiento |
| mater.sc., industr., construct. | closure seal | disco obturador |
| mater.sc., industr., construct. | closure seal | revestimiento de cierre |
| mater.sc., mech.eng. | closure seal | cerradora por engatillado |
| pack. | closure seal | revestimiento de cierres |
| pack. | cold seal | pegado |
| pack. | cold seal | pegado en frio |
| pack. | cold seal | autoadhesión |
| pack. | cold seal | soldado en frio |
| pack. | cold seal | sellado |
| pack. | cold seal paper | soldable en frio |
| pack. | cold-seal paper | papel autoadhesivo |
| pack. | cold-seal paper | papel adhesivo en frio |
| pack. | cold seal paper | papel sellable (pegable) |
| fin., industr., chem. | commercial seal | precinto comercial |
| nat.res. | common seal | foca común (Phoca vitulina) |
| auto. | compressor shaft seal | retén de la flecha del compresor |
| auto. | compressor shaft seal | sello del eje del compresor |
| el. | contact barrier seal | junta de interfaz |
| earth.sc., mech.eng. | contact seal | junta por contacto |
| law | contract under seal | contrato sellado |
| industr., construct., chem. | cooler seal | junta de refrigerador |
| auto. | cover seal of the master cylinder | sello de la tapa del depósito del cilindro maestro |
| ichtyol. | crabeater seal | foca cangrejera Lobodon carcinophagus |
| commun., IT | creator of a seal | creador de un sello |
| agric., food.ind. | crown seal | capuchón |
| agric., food.ind. | crown seal | cápsula |
| auto. | cup seal | sello de copa |
| auto. | cup/seal | copa/sello |
| auto. | cup seal | retén de copa |
| earth.sc., mech.eng. | cup seal | junta de taza |
| transp., mech.eng. | cushion seal | junta de cojín de aire |
| earth.sc., transp. | cushion seal | pared de colchón de aire |
| cust. | customs seal | precinto aduanero |
| fin. | customs seal | precinto de aduana |
| transp. | deck water seal | junta hidráulica situada sobre cubierta |
| chem., el. | depth of liquid seal | altura de guardia hidráulica |
| tech. | diaphragm oil seal | diafragma obturador de aceite |
| transp. | diaphragm seal | sellado de diafragma |
| antenn. | disc-seal tube | tubo de discos paralelos |
| el. | disk seal tube | tubo de disco sellado |
| el. | disk-seal tube | tubo de discos |
| industr., construct., chem. | distorted seal | distorsión de soldadura |
| gen. | do not seal the container | no cerrar el recipiente herméticamente |
| el. | door seal | junta de estanquidad de la puerta |
| mater.sc. | double-L-seal | soldadura en doble L |
| pack. | double-L seal | soldadura en L |
| mater.sc. | double-L-seal | pegado en doble L |
| pack. | double-L seal | pegado |
| pack. | double-T seal | cierre en H (a 6 bandas) |
| pack. | double-T seal | pegado en doble T |
| tech. | drive shaft oil seal | obturador del aceite de eje impulsor |
| tech. | drive shaft oil seal | junta del aceite de eje impulsor |
| tech. | droop seal at wing fold point | sello abatible en el punto de doblaje del ala |
| immigr., industr. | dry seal | sello en seco |
| chem., el. | dry seal | junta seca |
| chem., el. | dry seal | parrilla seca |
| chem., el. | dry-seal joint | junta seca |
| pack. | dusttight seal | guarnición para evitar la entrada del polvo |
| earth.sc., mech.eng. | dynamic seal | junta dinámica entre dos piezas con movimiento relativo |
| environ., nat.res. | eared seals | otáridos (Otariidae) |
| nat.sc., agric. | eared seals | focas (Otariidae) |
| tech. | effective seal | estanqueidad efectiva |
| transp., mater.sc. | electric wire bundle seal | recubrimiento de arnés de hilo eléctrico |
| gen. | elephant seal | elefante marino |
| IT | European Privacy Seal | Sello Europeo de Privacidad |
| industr., construct., chem. | expansion seal test | ensayo de dilatación de soldadura |
| tech. | fan shaft seal | sello del eje del ventilador |
| coal. | fault seal | sellado de fallas |
| transp., mater.sc. | feather seal | junta de bandera |
| earth.sc., mech.eng. | flanged seal | junta de brida |
| chem., el. | flexible seal | cierre flexible |
| pack. | fluid seal | junta de cierre |
| pack. | fluid seal | materia estanca líquida |
| pack. | fluid seal | obturador |
| mech.eng. | forward rotating air labyrinth seal | junta rotativa de aceite delantera |
| mech.eng. | forward rotating air seal | junta rotativa de aceite delantera |
| mech.eng. | forward stationary air-oil labyrinth seal | junta fija de aire-aceite delantera |
| mech.eng. | forward stationary air-oil seal | junta fija de aire-aceite delantera |
| mech.eng. | forward stationary oil labyrinth seal | junta fija de aceite delantera |
| mech.eng. | forward stationary oil seal | junta fija de aceite delantera |
| industr., construct., chem. | frit seal | soldadura con vidrio fritado |
| industr., construct., chem. | frit seal glass | vidrio en polvo para soldadura |
| auto. | front seal | sello frontal |
| gen. | fur seal | oso marino |
| nat.sc., agric. | fur seals | focas (Otariidae) |
| el.mot. | gas seal | junta estanca a los gases |
| el. | gasket seating seal | junta de caja |
| mech.eng. | gate type seal | esclusa de válvula |
| mech.eng. | gate type seal | esclusa con registro |
| tech. | gearlock seal | sello gearlock |
| el. | gland seal condenser | condensador del prensaestopas |
| el. | gland seal regulator | regulador del vapor de estanquidad de las prensas |
| el. | gland seal system | prensaestopas de la turbina |
| el. | gland seal system | sistema de prensaestopas de turbina |
| transp., tech. | glass-metal seal | cierre metal-vidrio |
| antenn. | glass-to-metal seal | unión vidrio-metal |
| mater.sc. | glued seal | cierre por pegado |
| bot. | golden seal | raíz de oro Hydrastis canadensis |
| bot. | golden seal | raíz amarilla Hydrastis canadensis |
| bot. | golden seal | sello de oro Hydrastis canadensis |
| bot. | golden seal | hidrastis Hydrastis canadensis |
| nat.sc. | golden seal | sello dorado (Hydrastis canadensis) |
| nat.sc. | golden seal | sello de oro (Hydrastis canadensis) |
| nat.sc. | golden seal | hidrastis del Canadá (Hydrastis canadensis) |
| nat.sc. | golden seal | hidrastis (Hydrastis canadensis) |
| med. | golden seal | hydrasti (Hydrastis canadensis) |
| industr., construct., met. | graded seal | soldadura con vidrios intermedios |
| environ. | green seal | etiqueta ecológica |
| nat.res. | grey seal | foca gris (Halichoerus grypus) |
| life.sc., environ., fish.farm. | Guadaloupe fur seal | otaria americana (Arctocephalus townsendi) |
| environ., nat.res. | Guadalupe fur seal | otaria americana (Arctocephalus townsendi) |
| industr., construct. | guarantee seal | marca de garantía |
| industr., construct. | guarantee seal | precinto de garantía |
| industr., construct. | guarantee seal | tira de garantía |
| commun. | gummed seal | etiqueta engomado |
| gen. | gummed seal | sello engomado |
| gen. | gummed seal | etiqueta engomada |
| pack. | "H"-seal | cierre en H (six strips, a 6 bandas) |
| pack. | "H"-seal | pegado en doble T (six strips) |
| nat.res. | harbour seal | foca común (Phoca vitulina) |
| nat.res. | harp seal | foca rayada (Pagophilius groenlandicus, Pagophilus groenlandicus) |
| nat.res. | harp seal | foca de Groenlandia (Pagophilius groenlandicus, Pagophilus groenlandicus) |
| tech. | hat seal | sello de sombrerete |
| el. | hearth seal | junta de estanquidad de crisol |
| el. | heat seal | soldadura térmica |
| pack. | heat seal | cierre por calientamiento |
| met. | heat seal coating | lacado termosellante |
| pack. | heat-seal coating | recubrimiento termoencolable |
| pack. | heat-seal coating | barniz termoencolable |
| met. | heat seal coating | recubrimiento termo-adhesivo |
| pack. | heat-seal coating | revestimiento |
| met. | heat seal coating one side | lacado termosellante una cara |
| mater.sc., mech.eng. | heat-seal label | etiqueta termoadhesiva |
| pack. | heat-seal label | etiqueta termosoldable |
| pack. | heat-seal label | etiqueta termopegable |
| pack. | heat-seal lacquer | barniz termoencolable |
| pack. | heat-seal lacquer | recubrimiento termoencolable |
| pack. | heat-seal lacquer | revestimiento |
| met. | heat seal lacquering | lacado termosellante |
| pack. | heat seal paper | papel termosellable |
| mater.sc., mech.eng. | heat-seal tape | banda termosoldable |
| pack. | heat-seal tape | cinta termosoldable |
| pack. | heat-seal tape | banda |
| pack. | heat-seal temperature | temperatura de termosoldadura |
| el. | hermetic seal | junta hermética |
| pack. | hermetic seal | aislamiento atmosférico |
| pack. | hermetic seal | aislamiento ambiente |
| pack. | hermetic seal | soldadura estanca |
| nat.res., fish.farm. | hooded seal | foca de casco (Cystophora cristata) |
| nat.res., fish.farm. | hooded seal | foca con capucha (Cystophora cristata) |
| nat.res., fish.farm. | hooded seal | foca capuchina (Cystophora cristata) |
| agric. | hop seal | sello de lúpulo |
| nat.sc. | hot-seal laminate | película de protección fijada por tratamiento térmico |
| mater.sc. | hot-seal laminate | laminado en caliente |
| el. | housing seal | junta de caja |
| chem. | hydraulic seal | cierre hidráulico |
| el. | hydrogen seal | obturación con hidrógeno |
| el. | hydrogen shaft seal | obturación con hidrógeno |
| coal. | infusion seal | obturación |
| coal. | infusion seal | cierre de los taladros |
| el. | interfacial seal | junta de interfaz |
| el. | inward leakage of air the external glands are either to prevent the leakage of steam which is at a higher pressure than the atmosphere,or to prevent the in-leakage of air when the pressure of the steam in the turbine casing is lower than atmosphere.The gland at the low-pressure or exhaust end of the turbine has to seal the casing against the in-leakage of air | infiltración de aire al interior |
| transp. | irregular breaking of seal | rotura irregular de precinto |
| el. | junction seal | cierre de la unión |
| industr., construct., chem. | keeper seal | cierre de aerosol |
| industr., construct., chem. | keeper seal | junta de estanqueidad |
| ichtyol. | Kerguelen fur seal | lobo fino antártico Arctocephalus gazella |
| commun. | knife-edge of artificial ear,to seal to the | sellar con el borde afilado del oído artificial |
| tech. | labyrinth air seal | sello de laberinto |
| tech. | labyrinth air seal | sello laberíntico |
| tech. | labyrinth air seal | sellado de laberinto |
| tech. | labyrinth air seal | obturador laberíntico |
| tech. | labyrinth outer and inner air seal | sello laberíntico interior y exterior |
| chem. | labyrinth seal | cierre de laberinto |
| transp. | labyrinth seal system | sistema de recirculación |
| el. | labyrinth-type oil seal | retén de aceite de laberinto |
| mater.sc., mech.eng. | lacquer seal | obturación lacada |
| mater.sc., mech.eng. | lacquer seal | estanco por barnizado |
| tech. | lead seal | obturador de plomo |
| pack. | lead-seal | soldar (con plomo) |
| law, mater.sc. | lead seal | soldadura al plomo |
| construct. | lead seal | precinto de plomo |
| construct. | lead seal | plomo para sellar |
| pack. | lead seal | plomo (de soldadura) |
| gen. | lead seals | plomos de garantía |
| gen. | lead seals | plomo de garantía |
| transp., construct. | leaf seal bar | cintas de impermeabilidad |
| transp., construct. | leather seal plate backing | guarda-cuero |
| ichtyol. | leopard seal | foca leopardo Hydrurga leptonyx |
| agric. | lesser Solomon's seal | sello de Salomón (Polygonatum odoratum) |
| agric. | lesser Solomon's seal | poligonato (Polygonatum odoratum) |
| tech. | level seal plate | placa de unión hermética de nivel |
| auto. | lip seal | retén tipo labio |
| auto. | lip seal | sello tipo labio |
| tech. | lip seal | junta de labios |
| tech. | lip seal fitting | conexión de borde sellado |
| chem. | liquid seal | cierre hidráulico |
| tech. | liquid seal | sello hidráulico |
| earth.sc., mech.eng. | liquid seal | camara de junta |
| earth.sc., mech.eng. | liquid seal | junta líquida |
| chem. | liquid seal | cierre de líquido |
| tech. | liquid seal | obturador líquido |
| chem., el. | liquid seal rotary compressor | compresor rotativo de anillo líquido |
| chem., el. | Livesey seal | dispositivo de cierre por encima de los tubos de entrada o d |
| chem., el. | Livesey seal | cierre hidráulico Liversey |
| transp., construct. | log seal | durmiente de impermeabilización |
| engl. | Lord Privy Seal The Viscount Cranborne | Lord Privy Seal Sello Privado |
| gen. | Lord Privy Seal | Lord del Sello Privado |
| met. | low pressure generator with hydraulic seal | generador de baja presión |
| environ., nat.res. | Lower Californian fur seal | otaria americana (Arctocephalus townsendi) |
| tech. | mating seal | junta de unión |
| tech. | mating seal | asiento de válvula |
| earth.sc., mech.eng. | mechanical seal | junta mecánica de estanquidad |
| nat.res. | Mediterranean monk seal | foca fraile (Monachus albiventer, Monachus monachus) |
| nat.res. | Mediterranean monk seal | foca monje (Monachus monachus) |
| chem., el. | mercury seal | sellado con mercurio |
| chem., el. | mercury seal | cierre con mercurio |
| el. | metal plate air seal gasket | placa metálica de estanquidad |
| pack. | metal seal | junta metálica |
| pack. | metallic seal | junta metálica |
| chem., el. | meter seal | precinto de contador |
| nat.res. | monk seal | foca monje (Monachus monachus) |
| gen. | monk seal | foca monje Monacus monacus |
| environ., nat.res. | monk seals | focas monje (Monachus spp.) |
| nat.sc. | multiple-seal pump | bomba de sellado múltiple |
| mater.sc., mech.eng. | multiple seal valve | válvula con sellado múltiple |
| met. | multipurpose ultrasonic seal cable | cable de sellado por ultrasonidos para diversos fines |
| industr., construct., chem. | neck seal | soldadura del cuello |
| chem. | needle seal nozzle | boquilla con obturador de aguja |
| transp., mater.sc. | neoprene molded seal | junta moldeada de neopreno |
| environ. | North Pacific Fur Seal Commission | Comisión sobre las Focas de Piel del Pacífico Septentrional |
| environ., nat.res. | North Pacific Fur Seal Commission | Comisión sobre las Focas para Peletería del Pacífico Septentrional |
| patents. | notarial seal | sello de notario |
| fin., IT | notary seal | sello de fedatario |
| econ. | official seal | sello oficial |
| patents. | official seal | sello de oficina |
| tech. | oil seal | sello de aceite |
| mech.eng., el. | oil seal | retén |
| mech.eng. | oil seal | cortaaceite |
| tech. | oil seal | obturador de aceite |
| tech. | oil-seal bushing | buje del obturador de aceite |
| tech. | oil-seal collar | collar del obturador de aceite |
| mil. | oil-seal of crankcase | obturador de aceite del cárter |
| tech. | oil-seal packing | empaquetadura del obturador de aceite |
| tech. | oil seal plug | tapón obturador de aceite |
| tech. | oil-seal retainer | retenedor del obturador de aceite |
| tech. | oil-seal ring | anillo de retención de aceite |
| auto. | one-piece seal | retén de una sola pieza |
| auto. | one-piece seal | sello de una sola pieza |
| industr., construct., chem. | organic-seal double-glazed unit | acristalamiento doble con sellado orgánico |
| industr., construct., chem. | organic-seal double-glazing unit | acristalamiento doble con sellado orgánico |
| chem., el. | outer seal | guardia exterior |
| earth.sc., construct. | outlet seal | carga de cebado |
| industr., construct., met. | over-seal | soldadura demasiado fuerte |
| industr., construct., met. | over-seal | sobrecalentamiento |
| dril. | overcompacted pressure seal | sello de presión sobrecompactado |
| el. | oxide-buffered glass-metal seal | cierre vidrio-metal regulado por óxido |
| earth.sc., mech.eng. | packing seal | prensaestopas |
| earth.sc., mech.eng. | packing seal | guarnición estanca |
| earth.sc., mech.eng. | packing seal | junta de prensaestopas |
| el. | panel seal | junta de panel |
| nucl.phys. | paper seal | sello de papel |
| el. | peripheral seal | junta periférica |
| nat.res. | pied monk seal | foca fraile (Monachus albiventer, Monachus monachus) |
| pack. | pilferproof seal | cápsula inviolable |
| pack. | pilferproof seal | cierre |
| footwear | pin seal | piel de foca |
| auto. | pinion seal | retén del piñón |
| auto. | pinion seal | sello del piñón |
| earth.sc., mech.eng. | piston seal | junta de pistón |
| transp. | place under seal | precintar |
| auto. | positive-type seal | sello de tipo positivo |
| pack. | pour spout seal | con caño vertedor |
| pack. | pour spout seal | cierre m u obturador |
| IT, el. | pre-seal visual | inspección presellado |
| transp. | press-seal | cuello estanco |
| transp. | press-seal | cruce estanco |
| transp. | press-seal connection | cuello estanco |
| transp. | press-seal connection | cruce estanco |
| transp. | pressure seal | cuello estanco |
| transp. | pressure seal | cruce estanco |
| dril. | pressure seal | sello de presión |
| pack. | primary seal | sellado primario |
| gen. | private seal | carácter privado |
| transp., mater.sc. | protective seal | junta de protección |
| transp., mater.sc. | pull-out seal | junta extraíble |
| transp., mater.sc. | pull-out seal | junta con llave de extracción |
| life.sc., min.prod., fish.farm. | pup of hooded seal blueback | cría de foca con capucha "de lomo azul" |
| commun., IT | qualified certificate for electronic seal | certificado cualificado de sello electrónico |
| commun., IT | qualified electronic seal | sello electrónico cualificado |
| earth.sc., mech.eng. | radial seal | junta radial |
| auto. | rear main seal | sello trasero principal |
| el. | ring seal | junta tórica |
| transp., mater.sc. | ring seal | junta anular |
| antenn. | ring seal | cierre anular |
| construct. | ring-seal gate | compuerta anular |
| nat.res. | ringed seal | foca anillada (Phoca hispida, Pusa hispida) |
| auto. | rope seal | sello de tipo soga |
| ichtyol. | ross seal | foca de Ross Ommatophoca rossii |
| industr. | rotary shaft seal | obturador para ejes de rotación |
| tech. | rotor seal | sello del rotor |
| transp., mater.sc. | rubber seal | junta de goma |
| transp., mater.sc. | rubber seal | junta de caucho |
| tech. | rubbing seal runner | corredera del sello de roce |
| gen. | safety seal | precinto de garantía |
| industr., construct. | sand seal | junta de arena |
| gen. | seal a despatch | precintar un despacho |
| commun. | to seal a dispatch | precintar un despacho |
| commun. | to seal a mail | precintar un despacho |
| gen. | seal a mail | precintar un despacho |
| tech. | seal and gasket unit | juego de empaquetadura y junta |
| tech. | seal assembly | conjunto de sellos |
| transp., construct. | seal bar | cintas de impermeabilidad |
| tech. | seal-bearing tool | herramienta para extraer e instalar sellos y cojinetes |
| industr., construct., met. | seal block | ladrillo cubrecanalón con pico |
| tech. | seal breakaway torque | torsión necesaria para zafar el sello |
| tech. | seal cap | tapa obturadora |
| earth.sc., chem. | seal compatibility | compatibilidad con los elastómeros |
| tech. | seal disk | anillo de sujeción |
| med. | seal-fin deformity | mano focomélica |
| med. | seal-fin deformity | mano en aleta de foca |
| agric. | seal gate | escotillón |
| nat.res., agric. | seal hunting | caza de focas |
| gen. | seal-in | mantenimiento de una señal |
| coal. | seal in the borehole | cierre de los taladros |
| pack. | seal jaws | selladora de mordaza |
| pack. | seal jaws | mordazas de sellado |
| ichtyol. | seal leopard | foca leopardo Hydrurga leptonyx |
| gen. | seal materials | materiales para juntas |
| gen. | seal of a despatch | precinto de un despacho |
| commun. | seal of a dispatch | precinto de un despacho |
| commun. | seal of a mail | precinto de un despacho |
| econ., agric. | seal of approval | sello de calidad |
| commun. | seal of approval | aprobación |
| econ., agric. | seal of approval | signo de calidad |
| agric. | seal of approval | marca de calidad |
| agric. | seal of quality | marchamo de calidad |
| polit., law | seal papers and documents | precintar escritos y documentos |
| wood. | seal pit | caja de estanqueidad |
| construct. | seal pliers | tijera de fontanero |
| gen. | seal plug | tapón hermético |
| fish.farm. | seal-proof net | red resistente a las focas |
| nat.res. | seal pup | cría de foca |
| environ. | seal pup skin | piel de cria de foca |
| transp. | seal retainer | retentor obturador |
| food.ind. | seal ring | anillo sellador |
| tech. | seal ring | anillo obturador |
| industr., construct., chem. | seal roll | rodillo de cierre |
| tech. | seal runner | corredera del sello |
| nat.res., agric., industr. | seal scarer | dispositivo acústico de disuasión |
| nat.res., agric., industr. | seal scrammer | dispositivo acústico de disuasión |
| gen. | seal skins coverings for skis | pieles de focas revestimientos de esquís |
| gen. | seal skins coverings for skis | pieles de foca revestimientos de esquís |
| oil | seal sleeve | manga selladora |
| polit., law | seal the original of the judgment | sellar el original de la sentencia |
| law | seal the records | sellar el expediente |
| pack. | seal thickness measurement | comprobación del espesor del cierre |
| chem. | seal trap | cierre hidráulico |
| tech. | seal trap | trampa obturadora |
| transp., mater.sc. | seal tube | junta tubular |
| patents. | seal up | lacrar |
| patents. | seal up | sellar |
| industr., construct., met. | seal weld | soldadura estanca |
| el. | seal wire | hilo dumet |
| fin. | seals affixed | precintos colocados |
| pack. | self-seal | pegado en frio |
| pack. | self-seal | autoadhesión |
| transp. | self-locking seal | precinto de cierre automático |
| tech. | shaft seal drain | drenaje del sello del eje |
| tech. | shroud seal | anillo sujetador hermético |
| transp., construct. | side seal | estanqueidad lateral |
| transp. | sidewall seal | junta estanca de los mamparos laterales |
| transp., mater.sc. | sight seal | junta circular de visor |
| pack. | single-strip seal | cierre de los cortes por cintas adhesivas |
| pack. | single-strip seal | cierre por cinta adhesiva aplicada a lo largo de las juntas |
| pack. | single-strip seal | cierre por una sola cinta |
| earth.sc., mech.eng. | sliding seal | junta deslizante |
| construct. | slurry seal | lechada bituminosa |
| nat.res. | South African fur seal | lobo marino del Cabo (Arctocephalus pusillus) |
| nat.res. | South American fur seal | lobo marino de dos pelos (Arctocephalus australis) |
| ichtyol. | southern elephant seal | elefante marino del sur Mirounga leonina |
| life.sc., environ. | Southern elephant seal | elefante marino (Mirounga leonina) |
| earth.sc., mech.eng. | square seal | junta de sección cuadrada o rectangular |
| el. | standstill seal | anillo de estanquidad |
| pack. | stapled seal | cerradora por engatillado |
| gen. | static seal | junta estática |
| food.ind. | steam seal | junta de vapor |
| chem. | steam seal | estanqueidad por vapor |
| pack. | strapping seal | enlazador (for fastening the straps, para unir los extremos del fleje en el proceso de flejado) |
| forestr. | strip seal | listón de sello o marcaje |
| fin. | substitutions or other irregularities such as broken seals | sustituciones y otras irregularidades tales como alteración de los precintos |
| industr., construct. | surface seal | capa de obturación |
| transp., mech.eng. | tachograph seal | precinto del tacógrafo |
| mater.sc. | tamper-proof seal | dispositivo estanco |
| pack. | tamper-proof seal | junta estanca |
| pack. | taped seal | engomado |
| mater.sc. | taped seal | cierre por precinto engomado |
| mater.sc. | taped seal | cierre por cinta |
| pack. | taped seal | cierre por cinta engomado |
| tech. | Teflon ring seal | anillo obturador de teflón |
| transp., construct. | timber seal | durmiente de impermeabilización |
| transp., construct. | timber water seal | forro de impermeabilidad |
| transp., construct. | timber water seals | forro de madera |
| transp., construct. | timber water seals | forro de impermeabilidad en madera |
| auto. | timing cover seal | retén de la cubierta del tiempo |
| auto. | timing cover seal | sello de la cubierta del tiempo |
| industr., construct. | tin-plate seal | precinto de hojalata |
| nat.sc. | TITUS ultrasonic seal | sello ultrasónico TITUS |
| pack. | torsion seal | envoltura por torsión |
| pack. | torsion seal | cierre por torsión (sea de cinta o de alambre) |
| fin., polit., transp. | transport of goods under customs seal | bajo precinto aduanero |
| transp., construct. | tremie concrete seal | tapón de hormigón sumergido |
| mater.sc., mech.eng. | triple seal inlay | junta triple |
| environ., nat.res. | true seals | focas (Phocidae) |
| pack. | truncated-ring seal can with friction opening | bidón de cuello largo |
| el. | turbine gland seal system | prensaestopas de la turbina |
| el. | turbine gland seal system | sistema de prensaestopas de turbina |
| earth.sc., mech.eng. | U seal | junta en U |
| auto. | umbrella seal | retén de tipo sombrilla |
| auto. | umbrella seal | sello de tipo sombrilla |
| fin. | U.S.MintAssay Office Seal | sello de la Casa de la Moneda o de la Oficina de Contraste de EE. UU. |
| mater.sc., mech.eng. | vacuum seal | cierre al vacío |
| mater.sc., mech.eng. | vacuum seal | obturador del vacío |
| pack. | vacuum protecting seal | cierre al vacío |
| pack. | vacuum protecting seal | obturador protector del vacío |
| mater.sc., mech.eng. | to vacuum-seal | soldar al vacío |
| pack. | vacuum-seal | soldar al vacío |
| tech. | vacuum seal putty | masilla de la junta de vacío |
| auto. | valve guide seal | sello de la guía de la válvula |
| auto. | valve stem seal | sello del vástago de la válvula |
| auto. | vapor seal | sello para el vapor |
| gen. | vapor seal | obturador de vapor |
| food.ind., can. | vapour seal | barrera antivapor |
| food.ind., can. | vapour seal | pantalla antivapor |
| earth.sc. | vapour seal | barrera de vapor |
| health., agric., chem. | veterinary seal | precinto veterinario |
| chem., el. | wall-box seal | pasamuros estanco |
| mater.sc. | washer for airtight seals | junta para cierres herméticos |
| tech. | washer seal | sello tipo arandela |
| food.ind. | water seal | sello de agua |
| transp., construct. | water seal | anillo de impermeabilidad |
| chem. | water seal | cierre hidráulico |
| hygien. | water-seal latrine | letrina de sifón |
| health. | water-seal latrine | letrina de cierre hidráulico |
| commun. | wax seal | sello de lacre |
| gen. | wax seal | sello en lacre |
| ichtyol. | Weddell seal | foca de Weddell Leptonychotes weddellii |
| work.fl. | wet seal | sello de tinta |
| life.sc., min.prod., fish.farm. | whitecoat pup of harp seal | cría de foca rayada "de capa blanca" |
| transp., mater.sc. | window seal | junta de ventanilla |
| transp., mater.sc. | window seal | junta de cristal |
| earth.sc., mech.eng. | wiper seal | junta de fricción |
| earth.sc., mech.eng. | X seal | junta de sección en X |