| Subject | English | Spanish |
| tech. | action radius | radio de acción |
| fishery | action radius | alcance del sonar |
| life.sc., el. | actual radius of the earth | radio verdadero de la Tierra |
| life.sc., el. | actual radius of the earth | radio terrestre real |
| life.sc., el. | actual radius of the earth | radio real de la Tierra |
| avia. | aircraft turn radius | radio de viraje del avión |
| met. | an increase pressure decreases the value of the critical radius the nucleus | un aumento de la presión disminuye el valor del radio crítico del núcleo |
| med. | annular ligament of radius | ligamento orbicular (ligamentum annulare radii) |
| med. | annular ligament of radius | ligamento anular del radio (ligamentum annulare radii) |
| med. | anterior surface of radius | cara anterior del radio |
| earth.sc., el. | atomic radius | radio atómico |
| transp., construct. | average radius | radio medio |
| IT, el. | back radius | radio del borde posterior |
| meteorol. | baroclinic Rossby radius of deformation | radio de deformación de Rossby baroclínico |
| meteorol. | barotropic Rossby radius of deformation | radio de deformación de Rossby barotrópico |
| tech. | bend radius | radio del doblez |
| transp. | bend radius | radio de curvatura |
| tech. | bend radius | radio de plegado |
| transp., mater.sc. | bend relief radius | radio de despojado en plegado |
| transp., mech.eng. | bending punch radius | radio del punzón de plegar |
| pack. | bending radius | radiode curvatura |
| el. | bending radius | radio de curvatura |
| pack. | bending radius | radio de flexión |
| transp. | bilge radius | curva del pantoque |
| el. | bottom radius | radio de fondo del surco |
| snd.rec. | bottom radius | radio del fondo del surco |
| mil. | breaching radius | radio de rompimiento |
| industr., construct. | buff radius | radio de pulimentación |
| mil. | bursting radius | radio de la explosión |
| tech. | canal hydraulic radius | radio del hidráulico |
| gen. | channel radius | radio del canal |
| med. | chin radius | distancia gnatión-línea biauricular |
| transp., mater.sc. | clamp radius | radio de mordaza |
| transp., mater.sc. | clamp radius | radio de pinza |
| transp., mater.sc. | clamp radius | radio de brida |
| med. | condyle of the radius | extremo inferior del radio |
| mech.eng. | connecting radius | radio de unión |
| construct. | constant radius arch dam | presa bóveda de radio constante |
| construct. | constant radius arch dam | presa bóveda de centro constante |
| dril. | core radius | radio del carrete (of reel) |
| supercond. | corner radius | radio de la esquina |
| comp., MS | corner radius | radio de redondeo (" The radius that determines how much, if any, the corner of a rectangular object is actually curved or "rounded-off".") |
| earth.sc., mech.eng. | crank radius | radio del cigüeñal |
| scient., construct. | crest radius | radio de coronación |
| textile | crimp radius | radio de rizado |
| laser. | critical quenching radius ro | radio crítico de desactivación (ro) |
| el. | critical radius | radio crítico |
| transp., industr., construct. | crown radius | radio de curvadura |
| industr., construct. | crown radius | radio de la banda de rodamiento |
| transp., avia. | cruising radius | radio de acción en crucero |
| nat.sc., agric. | cruising radius | radio de desplazamiento |
| IT | curvature radius | radio de curvatura |
| med. | curvature radius of the humerus | radio de curvatura del húmero |
| transp. | curve of constant radius | curva de radio constante |
| transp. | curve of constant radius | curva circular |
| transp. | curve of small radius | curva de pequeño radio |
| transp. | curve of wide radius | curva de gran radio |
| agric. | curve radius | radio de viraje |
| agric. | curve radius | radio de giro |
| met. | curved large radius sleeker | alisador combado |
| earth.sc., mech.eng. | cutting radius | radio de corte |
| gen. | destruction radius | radio de destrucción |
| met. | double ended radius sleeker | buril vaciado |
| transp., construct. | downstream radius of crest | radio aguas abajo de la coronación |
| environ. | drainage radius | zona de dragado |
| med. | Duplay osteotomy of radius | osteotomía del radio de Duplay |
| life.sc., el. | Earth's radius | radio terrestre |
| life.sc., el. | Earth's radius | radio de la Tierra |
| earth.sc. | effect of finite Larmor radii | efecto de los radios finitos de Larmor |
| el. | effective Earth-radius factor | coeficiente de radio ficticio terrestre equivalente |
| radio | effective Earth-radius factor | factor del radio equivalente de la Tierra |
| life.sc., el. | effective Earth's radius | radio verdadero de la Tierra |
| life.sc., el. | effective Earth's radius | radio terrestre real |
| life.sc., el. | effective Earth's radius | radio real de la Tierra |
| meteorol. | effective radius | radio efectivo |
| tech., construct. | effective radius of a well | radio efectivo de un pozo |
| el. | effective radius of curvature | radio de curvatura efectivo |
| el. | effective radius of the Earth | radio terrestre ficticio |
| el. | effective radius of the Earth | radio ficticio terrestre |
| radio | effective radius of the Earth | radio equivalente de la tierra |
| life.sc., el. | effective radius of the Earth | radio verdadero de la Tierra |
| el. | effective radius of the Earth | radio ficticio de la Tierra |
| life.sc., el. | effective radius of the Earth | radio terrestre real |
| life.sc., el. | effective radius of the Earth | radio real de la Tierra |
| el. | effective stylus tip radius | radio efectivo de la aguja de lectura |
| life.sc., construct. | equilibrium radius of influence | radio de influencia de equilibrio |
| automat. | equivalent effective radius of a control rod | diámetro equivalente de una barra de regulación |
| antenn. | equivalent radius of a conductor or a multi-wire element | radio equivalente de un conductor o un elemento multiconductor |
| auto. | fillet radius | radio del borde del cigüeñal (i.e. crankshaft fillet radius) |
| transp. | fillet radius between the web and foot of the rail | acuerdo alma-patín |
| transp. | fillet radius between the web and head of the rail | acuerdo alma-cabeza |
| el. | first Fresnel zone radius | radio de la primera zona de Fresnel |
| med. | fovea of head of radius | fóvea en la cabeza del radio |
| mech.eng. | front axle radius rod | biela de la V tensora |
| mech.eng. | front axle radius rod | bielas en V |
| mech.eng. | front axle radius rod | barra de triangulación |
| mech.eng. | front axle radius rod | barra de igualación |
| mech.eng. | front axle radius rod | ramas de la V de empuje |
| nat.sc. | Gaussian radius | radio medio de curvatura |
| nat.sc. | Gaussian radius | radio de Gauss |
| phys.sc. | gyration radius | radio de giro |
| phys.sc. | gyro radius | radio giromagnético |
| phys.sc. | gyromagnetic radius | radio giromagnético |
| med. | head of radius | cabeza del radio |
| life.sc., construct. | hydraulic radius | radio hidráulico |
| med. | interosseous space of the radius and ulna | espacio interóseo entre el cúbito y el radio |
| med. | interosseus crest of radius | cresta interósea del radio |
| met. | keyhole notch with a root radius of l mm | entalladura en forma de cerradura con un radio de curvatura en el fondo de la entalladura de 1 mm |
| transp. | large-radius curve | curva de gran radio |
| phys.sc. | Larmor radius | radio de Larmor |
| earth.sc. | larmor radius instability | inestabilidad de órbita finita |
| scient., transp. | leading edge radius | radio de borde de ataque |
| med. | length of the radius | longitud máxima del radio |
| med. | length of the radius | longitud funcional del radio |
| gen. | Lethal Radius | radio letal |
| el. | mean earth radius | radio medio de la Tierra |
| transp., construct. | mean radius | radio medio |
| nat.sc. | mean radius of curvature | radio medio de curvatura |
| nat.sc. | mean radius of curvature | radio de Gauss |
| transp., construct. | minimal curve radius | radio de curvatura mínimo |
| IT | minimum bend radius | radio de curvatura mínimo |
| earth.sc. | minimum bend radius | radio mínimo de plegado |
| med. | minimum circumference of the radius | circunferencia mínima del radio |
| transp. | minimum horizontal turn radius | radio mínimo de giro |
| transp. | minimum radius within curves | radio mínimo de inscripción en curva |
| avia. | minimum turning radius | radio mínimo de viraje |
| transp. | minimum vertical crest radius | radio mínimo de curvatura vertical en cresta |
| transp. | minimum vertical dip radius | radio mínimo de curvatura vertical en valle |
| transp. | mission radius | radio de acción |
| transp. | mission radius | alcance en misión |
| mech.eng. | to move the load by changing the load-lifting radius | mover la carga por modificación del radio de elevación |
| med. | neck of radius | cuello del radio |
| transp. | nominal radius of steering control | radio nominal del mando de dirección |
| tech. | non-radius bar | barra angular sin radio |
| med. | occipital radius | radio occipital |
| transp. | operating radius | autonomía de un vehículo |
| transp. | operating radius | radio de acción de un vehículo motor |
| transp. | operating radius | autonomía de un vehículo motor |
| industr., construct., chem. | outside radius corner | ángulo redondeado |
| industr., construct., chem. | outside radius corner | esquina redondeada |
| transp., mater.sc. | pitch radius | radio del círculo primitivo |
| earth.sc. | plasma minor radius | radio menor del plasma |
| earth.sc. | plasma radius | radio del plasma |
| nautic. | propeller radius | radio de la hélice |
| tech. | R desired search radius | radio de búsqueda deseado |
| tech. | radius arcs | arcos radiales |
| auto. | radius arm | varilla radial (radius rod) |
| auto. | radius arm | brazo radial (radius rod) |
| tech. | radius arm assembly | conjunto del brazo radial |
| auto. | radius arm bushing | buje para el brazo radial |
| transp., mech.eng. | radius bar | biela de distribuidor |
| tech. | radius bar | varilla del paralelogramo de watt |
| tech. | radius bending | doblamiento radial (con radio) |
| tech. | radius bends | dobleces de radio |
| tech. | radius block | bloque radial |
| industr., construct., chem. | radius corner | esquina redondeada |
| industr., construct., chem. | radius corner | ángulo redondeado |
| met. | radius faced tip of an electrode spherical | extremo abombado del electrodo |
| met. | radius faced tip of an electrode spherical | extremo esférico del electrodo |
| el. | radius ferrule | casquillo radial |
| tech. | radius gage | calibrador de radios |
| earth.sc. | radius gauge | calibre de radios |
| tech. | radius member | varilla radial |
| nautic. | radius of a circle | semidiámetro de un círculo |
| nautic. | radius of a circle | radio de un círculo |
| agric., chem. | radius of action | radio de acción |
| pack. | radius of curvature | radiode curvatura |
| transp. | radius of curvature | radio de curvatura |
| pack. | radius of curvature | radio de flexión |
| life.sc. | radius of curvature in a normal section | radio de curvatura en una sección normal |
| life.sc. | radius of curvature in a normal section | radio de curvatura de una paralela |
| life.sc. | radius of curvature in the meridian | radio de curvatura en el meridiano |
| life.sc. | radius of curvature in the prime vertical | radio de curvatura de una paralela |
| life.sc. | radius of curvature in the prime vertical | radio de curvatura en una sección normal |
| construct. | radius of curvature of deflection | radio de curvatura de la deflexión |
| mech.eng. | radius of drum | radio del tambor |
| transp., construct. | radius of extrados | radio del extradós |
| transp., mater.sc. | radius of gyration | radio de inercia |
| phys.sc. | radius of gyration | radio de giro |
| transp., mater.sc. | radius of inertia | radio de inercia |
| earth.sc., life.sc. | radius of influence | radio de influencia |
| transp., construct. | radius of intrados | radio del intradós |
| meteorol. | radius of 34 knot winds | radio de la zona con vientos de 34 nudos |
| meteorol. | radius of maximum winds | radio de vientos máximos |
| gen. | radius of nuclear reaction channel | radio del canal |
| tech., met. | radius of rounding of supports | radio de curvatura de los puntos de apoyo |
| tech. | radius of rupture | radio de ruptura |
| transp., construct. | radius of soffit | radio del intradós |
| tech., met. | radius of the interior and exterior edges of the blankholder | radio de los acuerdos interior y exterior de la matriz de embutición |
| life.sc., construct. | radius of the vertical curve | radio de la curva vertical |
| tech. | radius of turn | radio de viraje |
| transp., mech.eng. | radius of turning circle | diámetro del giro |
| transp., mech.eng. | radius of turning circle | círculo de la vuelta |
| transp., mech.eng. | radius of turning space | radio de viraje |
| transp., mech.eng. | radius of turning space | radio del giro |
| transp., mech.eng. | radius of turning space | espacio del viraje |
| tech. | radius of visibility | radio de visibilidad |
| comp., MS | RADIUS One-Time Password An authentication method that supports the authentication to RADIUS server using passwords that change, based on time or on an authentication request counter | Contraseña RADIUS de un solo uso (OTP) |
| comp., MS | RADIUS OTP | OTP de RADIUS (An authentication method that supports the authentication to RADIUS server using passwords that change, based on time or on an authentication request counter) |
| tech. | radius planer | cepilladora de superficies curvas |
| mech.eng. | radius reach | radio de trabajo |
| tech. | radius rod | estabilizador para curvas |
| tech. | radius-rod bracket | soporte de tensor |
| tech. | radius-rod bracket | soporte de biela de distribuidor |
| transp., met. | radius runout | fin de radio |
| industr., construct. | radius/thickness ratio | relación radio/espesor |
| life.sc. | radius vector | radio vector |
| tech. | radius vector | vector de radio |
| life.sc., el. | real radius of the earth | radio terrestre real |
| life.sc., el. | real radius of the earth | radio verdadero de la Tierra |
| life.sc., el. | real radius of the earth | radio real de la Tierra |
| health. | reverberation radius | radio de reverberación |
| health. | reverberation radius | distancia de campo difuso |
| scient., transp. | root radius | raíz de fondo de rosca |
| meteorol. | Rossby radius of deformation | radio de deformación de Rossby |
| transp. | rotor radius | radio del rotor |
| nat.sc. | Schwarzschild radius | radio de Schwarzschild |
| auto. | scrub radius | punto pivote de contacto de la rueda |
| tech. | search radius | radio de búsqueda |
| tech. | search radius safety factor | factor de seguridad del radio de búsqueda (fs) |
| IT, el. | second radius | radio segundo |
| med. | shaft of radius | cuerpo del radio |
| industr., construct. | shoulder radius | radio del hombro |
| industr., construct. | shoulder radius | radio del espaldón |
| tech. | sight radius | radio de puntería |
| IT | small bend radius duct cable | cable para instalar en conductos con pequeño radio de curvatura |
| transp. | small-radius curve | curva de pequeño radio |
| tech., met. | smallest bending radius permitted | el mínimo radio de curvatura permitido |
| scient., mech.eng. | solidity at a particular radius | solidez a un radio dado |
| transp., avia. | sortie radius | radio de acción |
| mech.eng. | spherical radius | carrera completa de elevación |
| snd.rec. | spherical reproducing stylus tip radius | radio de la aguja de lectura esférica |
| transp., mech.eng. | standard radius | radio tipo |
| met. | straight large radius sleeker | alisador recto de gran radio |
| met. | stylus cone angle and tip radius | ángulo de la punta y radio de curvatura de la aguja del palpador |
| snd.rec. | stylus tip radius | radio de la aguja de lectura |
| commun. | synchronous orbital radius | radio de la órbita geosincrónica |
| mech.eng. | throat radius | radio de garganta |
| avia. | tip radius | radio de la hélice |
| met. | top edge radius | radio de redondeado del borde superior de un corte |
| met. | top edge radius | radio de redondeado de la arista |
| met. | transition radius between the parallel portion of the test piece and the grip heads | acuerdo entre la porcion paralela de la probeta y las cabezas de sujecion |
| transp., industr., construct. | tread radius | radio de curvadura |
| life.sc., el. | true earth radius | radio terrestre real |
| life.sc., el. | true earth radius | radio verdadero de la Tierra |
| life.sc., el. | true earth radius | radio real de la Tierra |
| med. | tuberosity of radius | tuberosidad bicipital (tuberositas radii) |
| med. | tuberosity of radius | tuberosidad radial (tuberositas radii) |
| transp. | turn radius | radio de viraje |
| transp. | turning radius | radio de giro |
| transp., mech.eng. | turning radius | diámetro del giro |
| agric. | turning radius | radio de viraje |
| transp., mech.eng. | turning radius | círculo de la vuelta |
| med. | ulnar notch of radius | escotadura cubital del radio (incisura ulnaris radii) |
| transp., construct. | upstream radius of crest | radio aguas arriba de la coronación |
| construct. | variable-radius | radio variable |
| construct. | variable radius arch dam | presa bóveda de radio variable |
| construct. | variable radius arch dam | presa bóveda de centro variable |
| agric., tech. | variable-radius method | método de conteo angular |
| mater.sc., met. | variation of circumferential stress with radius and time | variación de la tensión circunferencial en función del radio y del tiempo |
| transp. | wheel turning radius | radio de rodadura de la rueda |
| transp., mater.sc. | winding radius | radio de arrollamiento |
| mech.eng. | working radius | radio de trabajo |
| mech.eng. | working radius | radio de acción |
