| Subject | Spanish | English |
| commun., el. | acoplamiento R-C | R-C coupling |
| commun., el. | acoplamiento R-C | resistance-capacitance coupling |
| tech. | ajuste de las r.p.m. del regulador | governor rpm set |
| med. | alargamiento del intervalo P-R | lengthening P-R interval |
| commun., IT | base de datos de gestión de rendimiento OMC-R | OMC-R performance management database |
| IT | biestable R-S-T | R-S-T flip-flop |
| commun. | bit I/R | C/R |
| commun. | bit I/R | command/response field bit |
| med. | bucle R | R loop |
| gen. | Causa R | Radical Cause |
| snd.rec. | CD-R | compact disc recordable system |
| transp., nautic. | chalana R.H.K. | towing pulley |
| med. | colonia R | R colony (forma rugosa de colonia bacteriana) |
| med. | colonia R | rough colony (forma rugosa de colonia bacteriana) |
| org.name. | Comité de Examen del Premio B.R. Sen | B.R. Sen Award Review Committee |
| commun., industr., polit. | Comité de Fabricantes Europeos de CD-R | Committee of European CD-R Manufacturers |
| tech. | conmutación de R-F | R-F switching (radio frecuencia) |
| el. | conmutador T-R | T-R switch |
| antenn. | conmutador T-R | transm it-receive switch |
| el. | conmutador T-R | radar duplexer |
| tech. | conmutador T-R | TR switch (de transmisión y recepción) |
| gen. | conmutador T-R | transmit-receive switch |
| IT | contador R | counter R |
| polit. | Corea R | Korea R |
| transp. | curvatura r inversa del radio | curver |
| commun., el. | célula anti T-R | anti T-R cell |
| antenn. | célula anti T-R | transmitter-blocker cell |
| commun., el. | célula T-R | transmit-receive cell |
| commun., el. | célula T-R | T-R cell |
| commun., IT | emisor-receptor de señalización R2 | R2 sender-receiver |
| comp., MS | estilo de referencia R1C1 | R1C1 reference style (" A convention for referencing the location of cells in a worksheet in which both the rows and the columns on the worksheet are numbered. The location of a cell is indicated with an "R" followed by a row number and a "C" followed by a column number.") |
| math. | estimador R | R-estimator |
| IT | excursión R.M.S. de frecuencia debida a la dispersión | dispersed R.M.S.deviation |
| IT, el. | flip-flop R-S | R-S flip flop |
| lab.law., industr. | frase R | R phrase |
| chem. | frases R | R-phrases |
| med. | frases R | standard R phrases |
| stat. | fórmula del momento producto para r | product-moment formula for r |
| med. | gen R | R gene |
| med. | gen R | VPR gene |
| commun., el. | generador MFC-R2 | MFC-R2 generator |
| gen. | Gris se deletrea "G-R-A-Y" en Estados Unidos | Gray is spelled G-R-A-Y in the United States |
| automat. | hilo A-R | address-read wire |
| automat. | hilo A-R | A-R wire |
| automat. | hilo I-R | IR-wire |
| automat. | hilo I-R | information-read wire |
| commun., el. | indicador de radar tipo R | R scope |
| gen. | informe M.A.D.R.I.D | M.A.D.R.I.D report |
| gen. | informe M.A.D.R.I.D | main assessment and description report for internal debate |
| med. | intervalo P.R. | P.R. interval |
| med. | intervalo Q.R.S.T. | Q.R.S.T. interval |
| comp. | joystick derecho/botón R3 | right stick/R3 button |
| med. | lazo R | R loop |
| nucl.phys. | medidas de emergencia en el exterior del emplazamiento en caso de accidente r | off-site response to radiation accidents |
| IMF. | n.r.s. | n.s.r. |
| IMF. | n.r.s. | not separately recorded |
| med. | neuralgia de R.Hunt | neuralgia of geniculate ganglion (zoster oticus) |
| med. | neuralgia de R.Hunt | Hunt's neuralgia (zoster oticus) |
| comp., MS | notación R1C1 | R1C1 notation (" A convention for referencing the location of cells in a worksheet in which both the rows and the columns on the worksheet are numbered. The location of a cell is indicated with an "R" followed by a row number and a "C" followed by a column number.") |
| agric., construct. | nuevo sistema de riegos de U.R.S.S. | U.S.S.R.new system of irrigation |
| meteorol. | oficina meteorológica del R.U. | UK Meteorological Office |
| econ. | OM y R | operation, maintenance and replacement |
| med. | onda R | R-wave (e.c.g.) |
| polit. | papel de Corea R | role of Korea R |
| antenn. | pentodo amplificador de R.F. de mu variable | variable-mu R. F. pentode |
| antenn. | pentodo amplificador de R.F., I.F. y A.F. | R.F., I.F. and A.F. penthode |
| food.ind. | ponceau 4R | ponceau 4R |
| chem. | Ponceau 4R, rojo cochinilla A | cochineal red A |
| chem. | Ponceau 4R, rojo cochinilla A | ponceau 4 R |
| chem. | Ponceau 4R, rojo cochinilla A | E 124 |
| org.name. | Premio B.R. Sen | B.R. Sen Award |
| commun., IT | punto de referencia R | reference point R |
| transp. | punto-R | seating reference point |
| transp. | punto-R | reference point |
| transp. | punto-R | R point |
| chem. | punzo 4R | ponceau 4 R |
| chem. | punzo 4R | E124 |
| chem. | punzo 4R | Cochineal Red A |
| gen. | R52 | harmful to aquatic organisms |
| gen. | R37/38 | irritating to respiratory system and skin |
| gen. | R30 | can become highly flammable in use |
| gen. | R34 | causes burns |
| gen. | R41 | risk of serious damage to eyes |
| gen. | R3 | extreme risk of explosion by shock, friction, fire or other sources of ignition |
| gen. | R24 | toxic in contact with skin |
| gen. | R12 | extremely flammable |
| gen. | R14/15 | reacts violently with water, liberating highly flammable gases |
| gen. | R4 | forms very sensitive explosive metallic compounds |
| gen. | R10 | flammable |
| gen. | R5 | heating may cause an explosion |
| gen. | R39/24 | toxic:danger of very serious irreversible effects in contact with skin |
| gen. | R39/23 | toxic:danger of very serious irreversible effects through inhalation |
| gen. | R39/23/24/25 | toxic:danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed |
| gen. | R39/28 | very toxic:danger of very serious irreversible effects if swallowed |
| gen. | R39/27/28 | very toxic:danger of very serious irreversible effects in contact with skin and if swallowed |
| gen. | R39/26 | very toxic:danger of very serious irreversible effects through inhalation |
| gen. | R39/26/27 | very toxic:danger of very serious irreversible effects through inhalation and in contact with skin |
| gen. | R9 | explosive when mixed with combustible material |
| gen. | R46 | may cause heritable genetic damage |
| gen. | R38 | irritating to skin |
| gen. | R15 | contact with water liberates highly flammable gases |
| gen. | R17 | spontaneously flammable in air |
| gen. | R32 | contact with acids liberates very toxic gas |
| gen. | R36/37 | irritating to eyes and respiratory system |
| gen. | R36/38 | irritating to eyes and skin |
| gen. | R23 | toxic by inhalation |
| gen. | R23/24/25 | toxic by inhalation, in contact with skin and if swallowed |
| gen. | R31 | contact with acid liberates toxic gas |
| gen. | R28 | very toxic if swallowed |
| gen. | R42 | may cause sensitization by inhalation |
| gen. | R27 | very toxic in contact with skin |
| gen. | R20 | harmful by inhalation |
| gen. | R20/21/22 | harmful by inhalation, in contact with skin and if swallowed |
| gen. | R40 | possible risks of irreversible effects |
| gen. | R40/20/21 | harmful:possible risk of irreversible effects through inhalation and in contact with skin |
| gen. | R40/20/22 | harmful:possible risk of irreversible effects through inhalation and if swallowed |
| gen. | R40/21/22 | harmful:possible risk of irreversible effects in contact with skin and if swallowed |
| gen. | R51 | toxic to aquatic organisms |
| gen. | R21 | harmful in contact with skin |
| gen. | R48 | danger of serious damage to health by prolonged exposure |
| gen. | R48/24/25 | toxic:danger of serious damage to health by prolonged exposure in contact with skin and if swallowed |
| gen. | R48/23/24 | toxic:danger of serious damage to health by prolonged exposure through inhalation and in contact with skin |
| gen. | R48/23/25 | toxic:danger of serious damage to health by prolonged exposure through inhalation and if swallowed |
| gen. | R48/20/21 | harmful:danger of serious damage to health by prolonged exposure through inhalation and in contact with skin |
| chem. | R8 | contact with combustible material may cause fire |
| chem. | R19 | may form explosive peroxides |
| gen. | R48/20/22 | harmful:danger of serious damage to health by prolonged exposure through inhalation and if swallowed |
| health. | R43 | may cause sensitization by skin contact |
| health., chem. | R57 | toxic to bees |
| gen. | R48/21/22 | harmful:danger of serious damage to health by prolonged exposure in contact with skin and if swallowed |
| environ. | R58 | may cause long-term adverse effects in the environment |
| gen. | R48/25 | toxic:danger of serious damage to health by prolonged exposure if swallowed |
| gen. | R25 | toxic if swallowed |
| gen. | R13 | extremely flammable liquefied gas |
| gen. | R26 | very toxic by inhalation |
| gen. | R26/27 | very toxic by inhalation and in contact with skin |
| gen. | R26/27/28 | very toxic by inhalation, in contact with skin and if swallowed |
| gen. | R26/28 | very toxic by inhalation and if swallowed |
| gen. | R16 | explosive when mixed with oxidizing substances |
| gen. | R54 | toxic to flora |
| gen. | R22 | harmful if swallowed |
| gen. | R48/22 | harmful:danger of serious damage to health by prolonged exposure if swallowed |
| gen. | R48/21 | harmful:danger of serious damage to health by prolonged exposure in contact with skin |
| gen. | R48/20/21/22 | harmful:danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if swallowed |
| gen. | R48/20 | harmful:danger of serious damage to health by prolonged exposure through inhalation |
| gen. | R48/23/24/25 | toxic:danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if swallowed |
| gen. | R48/23 | toxic:danger of serious damage to health by prolonged exposure through inhalation |
| gen. | R48/24 | toxic:danger of serious damage to health by prolonged exposure in contact with skin |
| gen. | R21/22 | harmful in contact with skin and if swallowed |
| gen. | R55 | toxic to fauna |
| gen. | R40/22 | harmful:possible risk of irreversible effects if swallowed |
| gen. | R40/21 | harmful:possible risk of irreversible effects in contact with skin |
| gen. | R40/20/21/22 | harmful:possible risk of irreversible effects through inhalation, in contact with skin and if swallowed |
| gen. | R40/20 | Harmful:possible risk of irreversible effects through inhalation |
| gen. | R20/22 | harmful by inhalation and if swallowed |
| gen. | R20/21 | Harmful by inhalation and in contact with skin |
| gen. | R27/28 | very toxic in contact with skin and if swallowed |
| gen. | R42/43 | may cause sensitization by inhalation and skin contact |
| gen. | R53 | may cause long-term adverse effects in the aquatic environment |
| gen. | R6 | explosive with or without contact with air |
| gen. | R23/25 | toxic by inhalation and if swallowed |
| gen. | R23/24 | toxic by inhalation and in contact with skin |
| gen. | R29 | contact with water liberates toxic gas |
| gen. | R36/37/38 | irritating to eyes, respiratory system and skin |
| gen. | R36 | irritating to eyes |
| gen. | R56 | toxic to soil organisms |
| gen. | R15/29 | contact with water liberates toxic, highly flammable gas |
| gen. | R47 | may cause birth defects |
| gen. | R44 | risk of explosion if heated under confinement |
| gen. | R7 | may cause fire |
| gen. | R39/26/27/28 | very toxic:danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed |
| gen. | R39/26/28 | very toxic:danger of very serious irreversible effects through inhalation and if swallowed |
| gen. | R39/25 | toxic:danger of very serious irreversible effects if swallowed |
| gen. | R39/27 | very toxic:danger of very serious irreversible effects in contact with skin |
| gen. | R39/23/25 | toxic:danger of very serious irreversible effects through inhalation and if swallowed |
| gen. | R39/23/24 | toxic:danger of very serious irreversible effects through inhalation and in contact with skin |
| gen. | R39/24/25 | toxic:danger of very serious irreversible effects in contact with skin and if swallowed |
| gen. | R39 | danger of very serious irreversible effects |
| gen. | R49 | may cause cancer by inhalation |
| gen. | R50 | very toxic to aquatic organisms |
| gen. | R18 | in use, may form flammable/explosive vapour-air mixture |
| gen. | R14 | reacts violently with water |
| gen. | R24/25 | toxic in contact whit skin and if swallowed |
| gen. | R1 | explosive when dry |
| gen. | R2 | risk of explosion by shock, friction, fire or other sources of ignition |
| gen. | R33 | danger of cumulative effects |
| gen. | R35 | causes severe burns |
| gen. | R59 | dangerous for the ozone layer |
| gen. | R37 | irritating to respiratory system |
| gen. | R45 | may cause cancer |
| pharma., engl. | r-cloprostenol | r-cloprostenol |
| med. | R-enzima | R-enzyme |
| insur. | R/I forma cerrada | risk index closing form |
| insur. | R/I forma cerrada | R/I closing form |
| insur. | R/I nota de pedido | risk index order form |
| insur. | R/I nota de pedido | R/I order form |
| tech. | r.p.m. | revolution per minute |
| tech. | r.p.m. | r.p.m |
| math. | R-proceso | R-process |
| tech. | R/s | R-s |
| tech. | R/s | 1 roentgen per second |
| law | R-UE/EU-R | RESTREINT UE/EU RESTRICTED |
| law | R-UE/EU-R | RESTREINT UE |
| demogr. | r y K selección | r and K selection |
| el. | receptor de tonos de sentido regresivo MFC-R2 | MFC-R2 backward receiver |
| el. | receptor de tonos de señalización de envío directo MFC-R2 | MFC-R2 forward receiver |
| crim.law. | Recomendación R8715 de 17 de septiembre de 1987, del Comité de Ministros del Consejo de Europa, dirigida a regular la utilización de datos de carácter personal en el sector de la policía | Recommendation No. R8715 of 17 September 1987 of the Committee of Ministers regulating the Use of Personal Data in the Police Sector |
| commun., IT | registrador internacional R2 de salida | outgoing international R2 register |
| commun., IT | registrador R2 de llegada | incoming R2 register |
| commun., IT | registrador R2 de salida | outgoing R2 register |
| nat.sc. | regla de las tres R | three "R"s rule |
| meteorol. | relaciones Z-R | Z-R coefficients |
| radio | relación portadora/ruido C/R símbolo | carrier-to-noise ratio |
| meteorol. | relación Z-R tropical | Tropical Z-R coefficient |
| tech. | régimen teórico de r.p.m. | design rpm (revoluciones por minuto) |
| radio | señal D'R | D'R signal |
| IT | señalización R2 | R2 signalling |
| IT | señalización R2 | R2 signaling |
| meteorol. | sistema de acceso del GOES-R | GOES-R Access System |
| IT | sistema R | system R |
| agric. | sistema r-tex | r-tex system |
| earth.sc. | suelo R | R soil |
| vac.tub. | tubo A.T.R. antitransmite/recibe | A.T.R. tube anti-transmit/receive tube |
| vac.tub. | tubo P.T.R. pretransmite/recibe | pre T.R. tube pre-transmit/receive tube |
| vac.tub. | tubo T.R. transmite/recibe | T.R. tube transmit/receive tube |
| commun., el. | tubo T-R | T-R tube |
| math. | técnica R | R-technique |
| comp., MS | valor R cuadrado | R-squared value (A number from 0 to 1 that reveals how closely the estimated values for the trendline correspond to your actual data. A trendline is most reliable when its R-squared value is at or near 1) |
| stat., phys.sc. | valor r.m.s. | R.M.S. value |
| stat., phys.sc. | valor r.m.s. | RMS value |
| stat., phys.sc. | valor r.m.s. | rms value |
| stat., phys.sc. | valor r.m.s. | root mean square |
| stat., phys.sc. | valor r.m.s. | root-mean-square value |
| stat., phys.sc. | valor r.m.s. | quadratic mean |
| stat. | valor tetracórico de r | tetrachoric value of r |
| stat. | valor tetracórico de r | tetrachoric correlation coefficient |
| agric. | vino de calidad P.D.R.blanco | white quality wines P.S.R. |
| agric., food.ind. | vino de calidad P.D.R.tinto/rosado | red/rosé quality wine P.S.R. |
| agric. | vinos de calidad P.D.R.-total | quality wines P.S.R.-total |
| agric. | v.l.c.p.r.d. vino de licor de calidad producido en una región determinada | quality liqueur wine psr |
| agric. | v.l.c.p.r.d. vino de licor de calidad producido en una región determinada | quality liqueur wine produced in a specified region |