| Subject | Spanish | English |
| bot. | abedul azul Betula coerulea | blue birch |
| nat.res. | abeto azúl de Oregón | noble fir (Abies nobilis, Abies procera) |
| health., nat.res., agric. | aborto azul | mystery reproductive syndrome |
| health., nat.res., agric. | aborto azul | mystery pig disease |
| health., nat.res., agric. | aborto azul | blue ear disease |
| health., nat.res., agric. | aborto azul | Porcine Reproductive and Respiratory Syndrome |
| chem. | aceite azul | blue oil |
| nat.res., fish.farm. | agalla azul | bluegill (Lepomis macrochirus) |
| chem. | agente anti-azul | anti-blueing agent |
| water.res. | agua azul | blue water |
| life.sc., fish.farm. | aguja azul | blue marlin (Makaira nigricans) |
| nat.res., fish.farm. | aguja azul | Indo-Pacific blue marlin (Makaira mazara) |
| life.sc., fish.farm. | aguja azul | Atlantic blue marlin (Makaira nigricans) |
| nat.sc. | aguja azul del Indo-Pacífico | Indo-Pacific blue marlin (Makaira mazara) |
| environ. | alga azul | blue-green algae |
| nat.res. | alga azul-verdosa | cyanobacterium |
| environ. | alga verde-azul | blue-green algae |
| environ. | alga verde-azul | blue-green alga |
| environ. | alga verde-azul | blue-green alga Microorganisms, formerly classified as algae but now regarded as bacteria, including nostoc, which contain a blue pigment in addition to chlorophyll |
| biochem. | algas azul-verdes Cyanophyceae | cyanobacteria |
| biochem. | algas azul-verdes Cyanophyceae | blue-green algae |
| agric. | altramuz azul | blue lupin (Lupinus angustifolius) |
| bot. | altramuz azul Lupinus angustifolius | blue lupine |
| ichtyol. | arenque banda azul Herklotsichthys quadrimaculata | bluestripe herring |
| gen. | arándano azul | blueberry |
| med. | asfixia azul | blue asphyxia (asphyxia livida) |
| life.sc., fish.farm. | atún de aleta azul | Atlantic bluefin tuna (Thunnus thynnus) |
| life.sc., fish.farm. | atún de aleta azul | northern bluefin tuna (Thunnus thynnus) |
| life.sc., fish.farm. | atún de aleta azul | bluefin tuna (Thunnus thynnus) |
| chem. | azul a la cal | lime blue |
| chem., met. | azul alcalino | alkali blue |
| chem. | azul Berlin | Berlin blue |
| chem. | azul Berlín | Berlin blue |
| chem. | azul brema | Bremen blue |
| food.ind., chem. | azul brillante | brilliant blue |
| agric., food.ind., chem. | azul brillante FCF | Brilliant Blue FCF |
| food.ind., chem. | azul brillante FCF | brilliant blue FCF |
| food.ind., chem. | azul brillante FCF | CI food blue 2 |
| food.ind., chem. | azul brillante FCF | E133 |
| agric., food.ind., chem. | azul brillante FCF | E 133 |
| chem. | azul Brunswick | Brunswick blue |
| chem. | azul celeste | sky blue |
| chem. | azul cerúleo | cerulean blue |
| chem. | azul chino | Chinese blue |
| gen. | azul claro | light blue |
| gen. | azul cobalto | cobalt blue |
| med. | azul de aceite | oil blue |
| chem. | azul de Brema | Bremen blue |
| gen. | azul de Bremen | Bremen blue |
| chem. | azul de bromofenol | bromophenol blue |
| chem. | azul de bromotimol | bromothymol blue |
| chem. | azul de cobalto | cobalt blue |
| chem. | azul de cobalto | king's blue |
| chem. | azul de esmalte | enamel |
| lab.eq. | azul de Evans | Evans blue |
| chem. | azul de ftalocianina alfa | alpha blue |
| chem. | azul de ftalocianina beta | beta blue |
| chem. | azul de ftalocianina épsilon | epsilon blue |
| chem. | azul de ftalocionina gamma | gamma blue |
| chem. | azul de indantreno | indanthrone blue |
| chem. | azul de indantreno | indanthrene |
| tech., mater.sc. | azul de indofenol | indophenol blue |
| chem. | azul de lavandería | laundry blue |
| agric. | azul de los vinos blancos | blue sickness of white wines |
| chem. | azul de manganeso | manganese blue |
| chem. | azul de metileno | methylene blue |
| chem. | azul de molibdeno | mineral indigo |
| chem. | azul de molibdeno | molybdenum blue |
| cultur. | azul de montaña | mountain blue |
| chem. | azul de Paris | Parisian blue |
| chem. | azul de Paris | Prussian blue |
| chem. | azul de Prusia | Paris blue |
| chem. | azul de Prusia | milori blue |
| chem. | azul de Prusia | iron blue |
| chem. | azul de Prusia | Parisian blue |
| chem. | azul de Prusia | Prussian blue |
| chem. | azul de Prusia, azul de Berlín | Prussian blue |
| chem. | azul de Prusia, azul de Berlín | Berlin blue |
| health. | azul de quinaldina | quinaldine blue (quinaldinum coeruleum) |
| cultur. | azul de Sajonia | Saxony blue |
| chem. | azul de Sevres | Sevres blue |
| chem. | azul de thenard | cobalt blue |
| chem. | azul de Thénard | Thenard’s blue |
| chem. | azul de Thénard | Thenard's blue |
| chem. | azul de timol | thymol blue |
| chem. | azul de toluidina | tolonium chloride |
| chem. | azul de toluidina | toluidine blue |
| textile | azul de trabajo en sarga | denim |
| chem. | azul de Turnbull | Turnbull's blue |
| industr. | azul de ultramar claro | light ultramarine |
| chem. | azul de vanadio | vanadium blue |
| chem. | azul de índigo | indigotin |
| chem. | azul de índigo | indigo |
| life.sc. | azul del cielo | blue of the sky |
| chem. | azul marino | navy blue |
| chem. | azul marino | dark blue |
| chem. | azul marino | blue |
| earth.sc., el. | azul menos luminancia | blue minus luminance |
| chem. | azul mineral | mineral blue |
| gen. | azul oscuro | dark blue |
| chem. | 2.1 azul pantentado V | E 131 |
| chem. | 2.1 azul pantentado V | Patent Blue V |
| chem. | 2.1 azul pantentado V | 2.1 patent blue |
| chem. | azul patentado V | 2.1 patent blue |
| chem. | azul patentado V | E 131 |
| chem. | azul patentado V | E131 |
| chem. | azul patentado V | patent blue V |
| chem. | azul patentado V | CI food blue 5 |
| chem. | azul patentado V | Patent Blue V |
| food.ind., chem. | azul patente | patent blue |
| chem. | azul patente V | patent blue V |
| chem. | azul patente V | E131 |
| chem. | azul patente V | CI food blue 5 |
| chem. | azul Peligot | Peligot blue |
| chem. | azul pompeyano | Pompeian blue |
| chem. | azul real | king's blue |
| chem. | azul real | cobalt blue |
| cultur. | azul Thenard | Thenard's blue |
| chem. | azul ultramar | ultramarine |
| chem. | azul ultramar | French blue |
| chem. | azul ultramar | ultramarine blue |
| ichtyol. | bagre azul Ictalurus furcatus | freshwater catfish |
| ichtyol. | bagre azul Ictalurus furcatus | blue catfish |
| fish.farm. | ballena azul | blue whale (Balaenoptera musculus) |
| environ., nat.res. | ballena azul | Sibbald's rorqual (Balaenoptera musculus) |
| environ., nat.res. | ballena azul | sulphur bottom whale (Balaenoptera musculus) |
| nat.res. | ballena azul | blue whale (Balaenoptera musculus) |
| econ., polit., loc.name. | banana azul | hot banana |
| econ., polit., loc.name. | banana azul | banana-shaped arc |
| econ., polit., loc.name. | banana azul | activity core |
| gen. | banco azul | Government bench |
| hobby, environ. | bandera azul en Europa | Blue Flag of Europe |
| environ. | bandera europea azul | European Blue Flag |
| chem. | baño azul | blue dip |
| commer. | botón azul | blue button |
| chem. | bureta de línea azul | blue line burette |
| fish.farm., industr. | caja azul | blue box |
| tech. | dibujo calco azul | blueprint |
| hobby, environ. | campaña europea Bandera Azul | European Blue Flag campaign |
| environ. | campaña europea por la bandera azul | European Blue Flag Campaign |
| fish.farm. | cangrejo azul | blue crab (Callinectes sapidus) |
| nat.sc., agric. | cangrejo azul | blue crab (Callinectes sapidus) |
| ichtyol. | cangrejo de mangle azul Cardisoma guanhumi | blue land crab |
| dril. | capacidad de azul de metileno | methylene blue capacity |
| chem. | caparrosa azul | copper blue |
| ichtyol. | carpa azul | blue carp |
| med. | catarata azul | cerulean cataract |
| med. | catarata azul | punctiform cataract (cataracta coerulea) |
| med. | catarata azul | blue-dot cataract (cataracta coerulea) |
| med. | catarata azul | blue cataract |
| life.sc., environ. | cefalofo azul | blue duiker (Philantomba monticola) |
| gen. | Centro de Actividades Regionales del Plan Azul | Blue Plan Regional Activity Centre |
| gen. | chara azul | blue jay |
| vet.med. | chinche azul Argas persicus | fowl tick |
| vet.med. | chinche azul Argas persicus | Miana tick |
| vet.med. | chinche azul Argas persicus | Persian tick |
| vet.med. | chinche azul Argas persicus | blue bug |
| vet.med. | chinche azul Argas persicus | blue tick |
| nat.sc., agric. | chinche azul de la col | cabbage bug (Eurydema oleraceum) |
| entomol. | chinche azul de la col: chinche roja de la col Eurydema oleraceum (L.) | brassica bug |
| entomol. | chinche azul de la col: chinche roja de la col Eurydema oleraceum (L.) | cabbage bug |
| meteorol. | chorro azul | blue-jet |
| gen. | cielo azul | blue sky |
| IT, el. | circuito de señales de color rojo, verde y azul | red, green and blue colour signal circuit |
| IT, el. | circuito de señales de color rojo, verde y azul | RGB colour signal circuit |
| agric. | clarificación azul | blue fining |
| agric. | clarificación azul | moeslinger fining |
| agric. | clarificación azul | Moeslinger fining |
| nat.res., fish.farm. | cola de rata azul | blue grenadier (Macruronus novaezealandiae) |
| gen. | color azul | color blue |
| med. | colorante azul de Nil | nile blue stain |
| industr., construct. | colorear en azul | blue tint |
| org.name. | Comisión para la Conservación del Atún de Aleta Azul del Sur | Commission for the Conservation of Southern Bluefin Tuna |
| interntl.trade., agric. | compartimento azul | blue box |
| life.sc. | copia azul | guide copy |
| life.sc. | copia azul | drawing key |
| life.sc. | copia azul | blue copy |
| fish.farm. | coregono azul | blue whitefish (Coregonus wartmanni) |
| econ., environ. | crecimiento azul | blue growth |
| leath. | cromo azul | blue chrome |
| health. | Cruz Azul | BC |
| health. | Cruz Azul | Blue Cross |
| life.sc., min.prod., fish.farm. | cría de foca con capucha "de lomo azul" | pup of hooded seal blueback |
| pharma. | cuadro azul | blue box |
| industr., construct. | cuarzo azul | blue quartz |
| el. | células solares de excitación azul | blue shifted solar cells |
| nat.res. | delfín azul | striped dolphin (Stenella caeruleoalba) |
| laser. | desplazamiento hacia el azul | blue shift |
| gen. | duíquero azul Cephalophus monticola | blue duiker |
| commun., IT | DVD de láser azul | Blue-ray Disc |
| med. | edema azul | blue edema |
| med. | edema azul | Rauzier's disease |
| gen. | El color azul es asociado a menudo con la tristeza | The color blue is often associated with sadness |
| gen. | El color azul predominó en este cuadro | The blue predominated in this paint |
| gen. | El color verde es una mezcla de amarillo y azul | The color green is a mixture of yellow and blue |
| environ., nat.res. | elanio azul | black-shouldered kite (Elanus caeruleus) |
| nat.res. | elanio azul | black-winged kite (Elanus caeruleus) |
| tech. | empavonado por recocido azul | blue annealed |
| med. | enfermedad azul | cyanoderma (morbus caeruleus) |
| med. | enfermedad azul | blue jaundice (morbus caerulans) |
| med. | enfermedad azul | cyanosis |
| health., anim.husb. | enfermedad azul | blue disease |
| health., nat.res., agric. | enfermedad azul | blue ear disease |
| health., anim.husb. | enfermedad azul | mysterious pig disease |
| health., nat.res., agric. | enfermedad azul | mystery pig disease |
| health., anim.husb. | enfermedad azul | new pig disease |
| health., anim.husb. | enfermedad azul | porcine reproductive and respiratory syndrome |
| health., anim.husb. | enfermedad azul | purple ears disease |
| health., anim.husb. | enfermedad azul | porcine epidemical abortion |
| health., nat.res., agric. | enfermedad azul | mystery reproductive syndrome |
| health., anim.husb. | enfermedad azul | mysterious swine disease |
| health., anim.husb. | enfermedad azul | blue-ear disease of pigs |
| health., nat.res., agric. | enfermedad azul | Porcine Reproductive and Respiratory Syndrome |
| med. | enfermedad azul | cyanopathy (morbus caerulans) |
| med. | enfermedad azul | blue disease (morbus caeruleus) |
| environ. | ensayo del azul de metileno | stability test |
| med. | esclera azul | blue sclera |
| med. | esclerótica azul | cyanosis bulbi |
| gen. | escudo azul y blanco | blue and white shield |
| tech. | espuma azul | blue foam |
| forestr. | eucalipto azul Eucalyptus globolus | eucalyptus |
| forestr. | eucalipto azul Eucalyptus globolus | Tasmanian blue gum |
| forestr. | eucalipto azul Eucalyptus globolus | common blue gum |
| forestr. | eucalipto azul Eucalyptus globolus | eucalypt |
| nat.sc., agric. | eucalipto azul | blue gum (Eucalyptus globulus) |
| forestr. | eucalipto azul Eucalyptus globolus | gum tree |
| forestr. | eucalipto azul Eucalyptus globolus | Australian gum tree |
| nat.sc., agric. | eucalipto azul | bastard box (Eucalyptus globulus) |
| fish.farm. | Europa Azul | Europe's Fisheries Policies "Blue Europe" |
| el. | fase azul | blue phase |
| tech. | filtro del azul negativo | minus blue filter (filtro para eliminar el azul del espectro electromagnético) |
| antenn. | fluorescencia azul | blue glow |
| environ. | fluorescencia nuclear azul | blue nuclear fluorescence |
| mater.sc. | fotocopia azul | blue print |
| tech. | fotometría de absorción con azul de metileno | absorption photometry with methylene blue |
| met. | fragilidad azul | blue shortness |
| met. | fragilidad azul | blue brittleness |
| chem. | frita azul | blue frit |
| chem. | gas azul | bluewater gas |
| oil | gas azul | Blau gas |
| chem. | gas azul | blue gas |
| pharma., chem. | gel azul | blue gel |
| agric. | gomero azul | blue gum (Eucalyptus globulus) |
| agric. | gomero azul | fever tree (Eucalyptus globulus) |
| agric. | gomero azul | blue eucalyptus (Eucalyptus globulus) |
| environ., nat.res. | guacamayo azul y dorado | blue and yellow macaw (Ara ararauna) |
| environ., nat.res. | guacamayo azul y dorado | blue and gold macaw (Ara ararauna) |
| fish.farm. | guaripete azul | lizardfish (Synodus saurus) |
| fish.farm. | guaripete azul | Atlantic lizardfish (Synodus saurus) |
| gen. | Hay muchos tonos de azul, desde el azul oscuro hasta el azul claro | There are many shades of blue from dark blue to light blue |
| TV | haz azul | blue gun (en el tubo de color) |
| gen. | He optado por un vestido azul para la fiesta | I opted for a blue dress for the party |
| nat.sc., agric. | hierba azul | common viper's-bugloss (Echium vulgare) |
| nat.sc., agric. | hierba azul | viper's-bugloss (Echium vulgare) |
| nat.sc., agric. | hierba azul | blue thistle (Echium vulgare) |
| med. | hombre azul | blue man |
| baseb. | hombre en azul | man in blue |
| forestr. | hongo de mancha azul | sap-staining fungus (Ceratostomella spp) |
| ichtyol. | hotentote azul Pachymetopon aeneum | blue hottentot |
| leath. | húmedo azul | wet-blue leather |
| textile | indice de azul de metileno | methylene blue number |
| nat.sc., agric. | jaiba azul | blue crab (Callinectes sapidus(Rathbun,1896)) |
| fish.farm. | jurel azul | blue runner (Caranx crysos, Caranx fusus) |
| health., anim.husb. | lengua azul | blue-tongue (febris catarrhalis ovium) |
| health., anim.husb. | lengua azul | ovine catarrhal fever (febris catarrhalis ovium) |
| health., anim.husb. | lengua azul | ovine orbivirus infection (febris catarrhalis ovium) |
| health., anim.husb. | lengua azul | bluetongue (febris catarrhalis ovium) |
| health., anim.husb. | lengua azul | blue tongue (febris catarrhalis ovium) |
| health., anim.husb. | lengua azul | blue tongue disease (febris catarrhalis ovium) |
| gen. | Libro Azul | Blue Paper |
| gen. | Libro Azul | Blue Book |
| gen. | Libro Azul | An Integrated Maritime Policy for the European Union |
| mun.plan., mater.sc. | llama azul | aerated flame |
| mun.plan., mater.sc. | llama azul | blue flame |
| tech. | llama azul | oxidizing flame |
| ichtyol. | loro azul Scarus coeruleus | blue parrotfish |
| agric. | lupino azul | blue lupin (Lupinus angustifolius) |
| environ. | lámina azul | blue sheeting |
| med. | línea azul | Burton's line |
| pharma., chem. | línea azul | lead hem |
| med. | línea azul | lead line (halo saturninus) |
| med. | línea azul | blue line |
| nat.res. | magnolia azul | sweet bay (Magnolia virginiana, Magnolia glauca) |
| nat.res. | magnolia azul | swamp sassafras (Magnolia virginiana, Magnolia glauca) |
| nat.res. | magnolia azul | beaver tree (Magnolia virginiana, Magnolia glauca) |
| med. | mancha azul | blue spot (macula caerulea) |
| med. | mancha azul | blue nevus |
| gen. | mar azul | blue sea |
| life.sc., fish.farm. | marlín azul | Atlantic blue marlin (Makaira nigricans) |
| life.sc., fish.farm. | marlín azul | white marlin (Kajikia albida, Makaira albida, Tetrapturus albidus) |
| life.sc., fish.farm. | marlín azul | blue marlin (Makaira nigricans) |
| life.sc., fish.farm. | marlín azul | Atlantic white marlin (Kajikia albida, Makaira albida, Tetrapturus albidus) |
| life.sc., fish.farm. | maruca azul | blue ling (Molva dypterygia, Molva byrkelange) |
| gen. | Me teñiré el cabello de color azul | I'll dye my hair blue |
| nat.sc., agric. | meliloto azul | blue melilot (Trigonella coerulea) |
| nat.sc., agric. | meliloto azul | sweet trefoil (Trigonella coerulea) |
| bot. | meliloto azul Trigonella coerulea | blue melilot |
| bot. | meliloto azul Trigonella coerulea | sweet trefoil |
| fish.farm. | merluza azul | hoki (Macruronus novaezelandiae) |
| nat.sc., agric. | merluza de cola azul | blue grenadier (Macruronus novaezealandiae) |
| fish.farm. | mero azul | speckled blue grouper (Epinephelus cyanopodus) |
| agric. | mildiúm azul del tabaco | mould |
| agric. | mildiúm azul del tabaco | tobacco blue mould |
| agric. | mildiúm azul del tabaco | downy mildew of tabacco |
| food.ind., can. | moho azul | blue mold rot |
| nat.sc., agric. | moho azul de los agrios | mold (Penicillium italicum) |
| nat.sc., agric. | moho azul de los agrios | blue mould of citrus (Penicillium italicum) |
| agric. | moho azul del tabaco | mould |
| agric. | moho azul del tabaco | downy mildew of tabacco |
| nat.sc., agric. | moho azul del tabaco | downy mildew of tobacco (Peronospora tabacina) |
| nat.sc., agric. | moho azul del tabaco | tobacco blue mould (Peronospora tabacina) |
| pest.contr. | moho azul del tabaco | downy mildew of tobacco |
| pest.contr. | moho azul del tabaco | tobacco blue mould |
| agric. | moho azul del tabaco | downy mildew |
| agric. | moho azul del tabaco | blue mould |
| nat.sc., agric. | molinia azul | flying bentgrass (Molinia Coerulea Moench) |
| nat.sc., agric. | molinia azul | purple moorgrass (Molinia Coerulea Moench) |
| nat.sc., agric. | molinia azul | purple molinia (Molinia Coerulea Moench) |
| agric. | molinia azul | purple moor-grass (Molinia coerulea) |
| nat.sc., agric. | mollera azul | blue antimora (Antimora rostrata) |
| health. | mora azul | blueberry |
| nat.res. | mosca azul de la carne | bluebottle (Calliphora erythrocephala, Lucilia sericata) |
| nat.res. | mosca azul de la carne | bluebottle blowfly (Calliphora erythrocephala, Lucilia sericata) |
| nat.res. | mosca azul de la carne | blow fly (Calliphora erythrocephala, Lucilia sericata) |
| bot. | muermera azul Clematitis viticella | single virmin's bower |
| med. | método azul de Prussian | Prussian blue method |
| ichtyol. | navajón azul Acanthurus coeruleus | blue tang surgeonfish |
| med. | nevo azul | blue nevus |
| med. | niño azul | blue baby |
| med. | niño azul | methaemoglobinaemia |
| med. | ombligo azul | Cullen's sign |
| med. | ombligo azul | hematomphalus |
| med. | ombligo azul | blue navel |
| med. | ombligo azul | Hellendall's sign |
| med. | ombligo azul | hematomphalocele |
| nat.sc., agric. | panchote azul | blue snapper (Peracaesio sordidus) |
| chem. | papel de filtro impregnado con yoduro potásico almidón que vira al azul al contacto con el ozono | ozone paper |
| nat.sc., agric. | paraperca azul | New Zealand blue cod (Parapercis colias) |
| nat.sc., agric. | pargo azul dorado | blue and gold snapper (Lutjanus viridis) |
| industr., construct. | pasar al azul | blueing |
| nat.res., agric. | pasto azul de Kentucky | smooth meadow-grass (Poa pratensis) |
| bot. | pasto azul de Kentucky Poa pratensis | smooth-stalked meadowgrass |
| bot. | pasto azul de Kentucky Poa pratensis | smooth meadow grass |
| agric. | pasto azul de Kentucky | common meadow grass (Poa pratensis) |
| agric. | pasto azul de Kentucky | june grass (Poa pratensis) |
| nat.res., agric. | pasto azul de Kentucky | Kentucky blue grass (Poa pratensis) |
| bot. | pasto azul de Kentucky Poa pratensis | meadow grass |
| bot. | pasto azul de Kentucky Poa pratensis | Kentucky bluegrass |
| bot. | pasto azul del Canadá Poa compressa | Canada bluegrass |
| nat.sc., agric. | pauji de pico azul | blue-billed curassow (Crax alberti) |
| chem. | pavonado en azul | blueing |
| commun., IT | película con componente de base azul | blue base film |
| nat.res., fish.farm. | perca agalla azul | bluegill (Lepomis macrochirus) |
| fish.farm. | perro azul | Northern wolffish (Anarhichas denticulatus, Anarhichas latifrons) |
| life.sc., fish.farm. | perro azul | blue sea cat (Anarhichas denticulatus, Anarhichas latifrons) |
| nat.res., fish.farm. | pescado azul | bluefish (Pomatomus saltator, Pomatomus saltatrix, Temnodon saltator) |
| nat.res., fish.farm. | pescado azul | blue-fish (Pomatomus saltator, Pomatomus saltatrix, Temnodon saltator) |
| fish.farm. | pez nariz azul antártico | bluenose warehou (Hyperoglyphe antarctica) |
| fish.farm. | pez nariz azul antártico | Antarctic butterfish (Hyperoglyphe antarctica) |
| bot. | picea azul Picea pungens, P. parryana | Colorado blue spruce |
| bot. | picea azul Picea pungens, P. parryana | Parry's spruce |
| bot. | picea azul Picea pungens, P. parryana | blue spruce |
| construct. | piedra azul, granito de Flandes | ecaussine |
| construct. | piedra azul, granito de Flandes | petit granit |
| construct. | piedra azul, granito de Flandes | Flanders granite |
| construct. | piedra azul, granito de Flandes | Belgian granite |
| vet.med. | piojo azul de cabeza corta Haematopinus eurysternus | short-nosed cattle louse |
| leath. | piojo azul de cabeza larga Linognathus vituli | long-nosed cattle louse |
| org.name. | Plan Azul, Centro de actividades regionales del Plan de Acción para el Mediterráneo | Blue Plan - Regional Activity Centre for the Mediterranean |
| environ., UN | Plan azul para el Mediterráneo | Blue Plan on the Mediterranean |
| pest.contr. | podredumbre azul Ceratostoma coeruginosa | blued lumber |
| IT | programa de cinta azul | blue ribbon program |
| econ. | Provenza-Alpes-Costa Azul | Provence-Alpes-Côte d'Azur |
| environ. | prueba con azul de metileno | stability test |
| environ. | prueba con azul de metileno | methylene blue test |
| pest.contr. | pudrición azul Ceratostoma coeruginosa | blued lumber |
| pest.contr., Arg. | pulgón azul de la alfalfa Acyrthosiphum kondoi (Shinji) | bluegreen aphid |
| med. | pus azul | blue pus |
| nat.res., agric. | pícea azul de Colorado | blue spruce (Picea pungens glauca koster) |
| econ. | queso de pasta azul | blue-veined cheese |
| agric. | quiebra azul | blue casse |
| transp. | recocido azul | blue annealing |
| met. | recocido azul | blueing |
| UN | Reunión Intergubernamental de los Estados ribereños del Mediterráneo sobre el "Plan Azul" | Intergovernmental Meeting of the Mediterranean Coastal States on the "Blue Plan" |
| fishery | Revolución Azul | Blue Revolution |
| comp., MS | rojo, verde, azul, alfa | red, green, blue, alpha (A model that augments the red, green, blue (RGB) method of combining colors in light-based media, with a fourth color component, alpha, which is used to control color blending. In Open GL, an alpha value of 1.0 corresponds to complete opacity and a value of 0.0 corresponds to complete transparency) |
| IT | Rojo-verde-azul | Red Green Blue |
| IT | Rojo-verde-azul | red, green and blue |
| el. | rojo-verde-azul | red-green-blue |
| comp., MS | rojo-verde-azul | red-green-blue (A color model that describes color information in terms of the red (R), green (G), and blue (B) intensities that make up the color) |
| nat.res. | rorcual azul | blue whale (Balaenoptera musculus) |
| pack. | sal de sílice azul | blue silica gel |
| acrid. | saltamontes azul Oedipoda caerulescens | blue-winged grasshopper |
| mater.sc. | seminario azul | blue seminar |
| nat.sc., agric. | sirice azul | blue horntail (Paururus juvencus, Sirex juvencus) |
| nat.sc., agric. | sirice azul | polished horntail (Paururus juvencus, Sirex juvencus) |
| nat.sc., agric. | sirice azul | steel-blue wood wasp (Paururus juvencus, Sirex juvencus) |
| agric. | sisal azul | blue sisal (Agave amaniensis) |
| bot. | sisal azul Agave amaniensis | blue sisal |
| med. | sudación azul | blue sweat (indicanhidrosis) |
| entomol. | sírice azul Sirex juvencus | blue horntail |
| entomol. | sírice azul Sirex juvencus | polished horntail |
| entomol. | sírice azul Sirex juvencus | steel-blue wood wasp |
| construct. | tarjeta azul | blue card |
| law, immigr. | tarjeta azul de la UE | EU Blue Card |
| immigr. | tarjeta azul UE | Blue Card |
| immigr., lab.law. | tarjeta azul UE | EU Blue Card |
| textile | tejido para azul mecánico | dungaree |
| commun., social.sc. | "teléfono azul" | "Blue Telephone" |
| environ. | test con azul de metileno | methylene blue test |
| ichtyol. | testolín azul Prionotus punctatus | bluewing searobin |
| fish.farm. | tiburón azul | blue whaler (Carcharhinus glaucus, Carcharias glaucus, Prionace glauca, Squalus glaucus) |
| ichtyol. | tiburón azul Prionace glauca | blue shark |
| fish.farm. | tiburón azul | great blue shark (Carcharhinus glaucus, Carcharias glaucus, Prionace glauca, Squalus glaucus) |
| fish.farm. | tiburón azul | blue shark (Carcharhinus glaucus, Carcharias glaucus, Prionace glauca, Squalus glaucus) |
| med. | tinción con azul de toluidina | toluidine blue application |
| immigr. | titular de la tarjeta azul UE | Blue Card holder |
| ichtyol. | torito azul Lactophrys quadricornis | scrawled cowfish |
| ichtyol. | trama azul Notothenia cyanobrancha | blue rockcod |
| nat.res. | trepador azul | nuthatch (Sitta caesia, Sitta europea) |
| social.sc. | triángulo azul sobre fondo naranja | blue triangle on orange ground |
| commun. | unidad lateral de azul | blue lateral magnet |
| gen. | urraca azul | blue jay |
| environ. | vanda azul | blue vanda (Vanda coerulea) |
| chem. | verditer azul | blue verditer |
| industr., construct., chem. | vidrio azul | blue glass |
| industr., construct., chem. | vidrio azul | inspection glass |
| industr., construct., chem. | vidrio azul | green glass |
| chem. | viraje a azul | blueing |
| health., nat.res. | virus de la lengua azul | bluetongue virus |
| anim.husb. | virus de la lengua azul | bluetongue orbivirus |
| chem. | vitriolo azul | blue stone |
| chem. | vitriolo azul | blue vitriol |
| chem. | vitriolo azul | blue copperas |
| med. | vitriolo azul | copper sulfate |
| environ. | Ángel Azul | Blue Angel |
| chem., el. | índice de altura del cono azul | cone height index |