| Subject | Spanish | English |
| market. | acción triangular | triangular initiative |
| transp., avia. | ala triangular | delta wing |
| tech. | alambre triangular | triangular wire |
| agric., tech. | arado triangular | triangular ard |
| tech. | armadura triangular | Warren girder |
| construct. | arriostramiento triangulado | triangulated bracing |
| agric. | asiento triangular | triangular seat |
| agric. | asiento triangular | individual seat |
| industr., construct., mech.eng. | barra triangular | triangular bar support |
| stat. | bloques triangulares de vínculo sencillo o doble | triangular singly or doubly linked blocks |
| tech. | buril triangular | cant chisel |
| med. | cabestrillo triangular | triangular sling |
| mech.eng. | cable de cordones de sección triangular | triangular strand construction haulage rope |
| transp., construct. | cable de cordones triangulares | triangular strand cable |
| met. | calentamiento triangular para eliminar una deformación local | triangular area heated to red heat to remove local distortion |
| fish.farm. | calón triangular | dan leno triangle |
| med. | característica de impulso triangular | triangular impulse characteristics |
| construct. | carga triangular | triangular load |
| transp., construct. | cartela triangular | gusset plate |
| transp., construct. | cartela triangular | corner plate |
| construct. | celosía con paneles triangulares | truss with triangular web openings |
| construct. | celosías tubulares triangulares apoyadas sobre soportes empotrados | tubular triangular trusses laid on fixed supports |
| commer. | comercio triangular | triangular trade |
| commer. | comercio triangular | three-cornered trade |
| coal. | cono de franqueo triangular | triangle cut |
| polit., loc.name. | cooperación triangular | tripartite partnership |
| gen. | cooperación triangular | three-way partnership |
| earth.sc. | corriente de impulso triangular | triangular impulse current |
| earth.sc. | cárcava con perfil triangular | triangular-notched gully |
| work.fl., IT | código triangular | triangular code |
| chem. | diagrama triangular | triangular diagram |
| tech. | diagrama triangular del suelo | soil triangular diagram |
| tech. | diente triangular | mil tooth |
| stat. | diseño en bloque de enlace múltiple triangular | triangular multiply linked block design |
| math. | diseño triangular | triangular design |
| agric., construct. | disposición triangular | triangular layout of sprinklers |
| el. | distribución de frecuencia triangular | triangular incidence distribution |
| math. | distribución triangular | triangular distribution |
| earth.sc., el. | distribución triangular del ruido | triangular noise distribution |
| agric. | emparrillado triangular | A-section duct |
| agric. | emparrillado triangular | A-frame ventilator |
| math. | esquema de asociación triangular | triangular association scheme |
| mech.eng. | estriado triangular | serrations |
| mech.eng. | estriado triangular | serration |
| comp., MS | extremo triangular | triangle cap (For paths that contain unconnected ends, the end of the stroke that is extended to taper to a point) |
| med. | fosa triangular | triangular fossa (fossa triangularis auriculae) |
| med. | fosa triangular | scaphoid fossa (fossa triangularis auriculae) |
| med. | fosa triangular | fossa of anthelix (fossa triangularis auriculae) |
| med. | fosa triangular de la oreja | triangular fossa |
| med. | fóvea triangular de los cartílagos aritenoides | fovea triangularis |
| el. | generador de onda triangular | triangle generator |
| IT, dat.proc. | gracia triangular | triangular serif |
| IT, dat.proc. | gracia triangular | bracketed serif |
| stat. | gráfico triangular | trilinear chart |
| med. | haz triangular | Gombault-Philippe's triangle |
| med. | haz triangular | tract of Philippe-Gombault |
| med. | haz triangular | fasciculus triangularis |
| med. | haz triangular | Philippe-Gombault's triangular bundle |
| med. | impulso triangular | triangular impulse |
| commer. | intercambio triangular | triangular trade |
| commer. | intercambio triangular | three-cornered trade |
| med. | ligamento triangular | articular disk of inferior radio-ulnar joint |
| med. | ligamento triangular de la uretra | fascia diaphragmatis pelvis inferior |
| med. | ligamento triangular de la uretra | triangular ligament of the urethra |
| med. | ligamento triangular de la uretra | fascia diaphragmatis urogenitalis inferior |
| med. | ligamento triangular de la uretra | diaphragma urogenitale |
| med. | ligamento triangular de la uretra | Carcassonne's ligament |
| med. | ligamento triangular del pubis | subpubic ligament (ligamentum arcuatum pubis) |
| med. | ligamento triangular derecho del hígado | right lateral ligament (ligamentum triangulare dextrum hepatis) |
| med. | ligamento triangular izquierdo del hígado | left lateral ligament (ligamentum triangulare sinistrum hepatis) |
| mech.eng. | lima de sección triangular | triangular file |
| mech.eng. | lima de sección triangular | three square file |
| mech.eng. | lima de sección triangular | three-corner file |
| tech. | lima de triangular | hack file |
| construct. | lima triangular | three-square file |
| mech.eng. | lima triangular | three-corner file |
| mech.eng. | lima triangular | triangular file |
| mech.eng. | lima triangular | three square file |
| tech. | lima triangular | lightning file |
| tech. | lima triangular achatada | cant file |
| tech. | lima triangular achatada | barrette of lights file |
| tools | lima triangular chata | triangular blunt file |
| industr., construct. | lima-escofina triangular | triangular file-rasp |
| gen. | listón triangular | cleat |
| pack. | listón triangular | triangular ledge |
| pack. | listón triangular | three-cornered strut |
| gen. | listón triangular | triangular batten |
| mech.eng., construct. | llave triangular | triangular key |
| water.res. | lomo triangular | triangular bund |
| med. | matidez triangular | Grocco's triangle (de Grocco) |
| med. | matidez triangular | Grocco's sign (de Grocco) |
| med. | matidez triangular | Grocco's triangular dullness (de Grocco) |
| el. | matriz triangular | triangular array |
| el. | matriz triangular | triangular matrix |
| el. | matriz triangular | folded matrix |
| med. | músculo triangular de los labios | muscle depressor anguli oris |
| med. | músculo triangular de los labios | muscle triangularis |
| med. | músculo triangular del esternón | muscle triangularis sterni |
| med. | músculo triangular del esternón | muscle sternocostalis |
| med. | músculo triangular del esternón | muscle transversus thoracis |
| math. | números triangulares | triangular numbers |
| el. | onda de dispersión triangular | triangular dispersal waveform |
| el. | onda triangular | triangular waveform |
| commun., IT | onda triangular de baja frecuencia | low-frequency triangular waveform |
| market. | operación triangular | triangular operation |
| market. | operación triangular | triangular arrangement |
| fin., transp. | operación triangular | triangular transaction |
| nat.sc., agric. | palmera triangular | palm (Dypsis decaryi, Neodypsis decaryi) |
| hobby, transp. | paracaídas de campana triangular | triangular parachute |
| med. | parte triangular del músculo auricular superior | triangular part of the temporoparietal epicranius muscle |
| tech. | pedazo de terreno triangular | gore |
| mech.eng. | perno de cabeza triangular | triangular screw |
| mech.eng. | perno de cabeza triangular | triangular bolt |
| nat.sc., agric. | piedra de afilar triangular | triangular whet stone |
| math. | pirámide triangular | triangular pyramid |
| math. | planeo triangular | triangular design |
| med. | pliegue triangular | triangular fold |
| el. | portadora modulada por una onda de dispersión triangular | triangular carrier dispersal wave |
| med. | posición triangular | triangular position |
| geom. | prisma triangular | wedge |
| math. | prisma triangular | triangular prism |
| meas.inst. | prismas triangulares de medición | measuring wedges |
| agric., chem. | prueba de degustación triangular | triangular taste test |
| math. | prueba triangular | triangle test |
| transp., mech.eng. | rascador triangular | triangular scraper |
| tech. | refuerzo triangular | Warren truss |
| med. | región triangular de la tercera circunvolución frontal | pars triangularis gyri frontalis (praeoperculum) |
| agric. | reja triangular | shin share |
| IT | respuesta en onda triangular | triangular-wave response |
| el. | retrocatadióptrico delantero triangular/no triangular | triangular/non triangular front retro reflector |
| el. | retrocatadióptrico lateral no triangular | non rectangular side retro reflector |
| el. | retrocatadióptrico trasero triangular | triangular rear retro reflector |
| mech.eng. | rosca triangular | triangular thread |
| mech.eng. | rosca triangular | Vee-thread |
| mech.eng. | rosca triangular | V thread |
| commun. | ruido errático triangular | triangular random noise |
| el. | ruido triangular | triangular noise |
| earth.sc., el. | ruido térmico triangular | triangular thermal noise |
| el. | señal de dispersión triangular simétrica | symmetrical triangular dispersal waveform |
| el. | señal de forma de onda triangular | signal of a triangular waveform |
| el. | señal de forma de onda triangular | triangular signal |
| el. | señal de forma de onda triangular | triangle waveform |
| el. | señal triangular | triangle waveform |
| el. | señal triangular | triangular signal |
| el. | señal triangular | signal of a triangular waveform |
| el. | señal triangular de dispersión de energía | triangular energy dispersal signal |
| industr., construct., mech.eng. | sierra con dientes triangulares trazadores | peg-tooth saw |
| industr., construct., mech.eng. | sierra con dientes triangulares trazadores | peg saw |
| fin. | sistema triangular | triangular system |
| transp., construct. | tajamar triangular | straight sharp cut-water |
| transp., construct. | tajamar triangular | straight surface sharp cut-water |
| transp., construct. | tajamar triangular | straight line sharp cut-water |
| construct. | tajamar triangular equilátero | sixty degree straight sharp cut-water |
| construct. | tajamar triangular equilátero | equilateral cut-water |
| ichtyol. | tivela triangular Tivela mactroides | trigonal tivela |
| agric. | toma con vertedero triangular | V-notch turnout |
| agric. | toma con vertedero triangular | V-notch outlet |
| automat. | tornillo de rosca triangular | vee-threaded screw |
| med. | tracto triangular | olivospinal tract (tractus triangularis) |
| med. | tracto triangular | triangular tract (tractus triangularis) |
| med. | tracto triangular | bulbospinal tract (tractus triangularis) |
| med. | tracto triangular | Helweg's bundle (tractus triangularis) |
| med. | tracto triangular | spino-olivary tract (tractus triangularis) |
| med. | tracto triangular | olivary fasciculus (tractus triangularis) |
| econ. | transacciones triangulares | triangular transactions |
| gen. | transacción triangular | triangular transaction |
| hobby, transp. | transportador triangular | triangular protractor |
| math. | triangulares se multiplican vinculados diseño de bloques | triangular multiply linked block design |
| meteorol. | truncamiento triangular | triangular truncation |
| fin., tax. | tráfico triangular | switch operation |
| fin., tax. | tráfico triangular | triangular trade |
| fin., tax. | tráfico triangular | triangulation |
| fin., tax. | tráfico triangular | shunting |
| fin. | tráfico triangular | triangular traffic |
| med. | valor umbral triangular | triangular threshold value |
| gen. | venda triangular | triangle bandage |
| med. | venda triangular para la cadera | triangular hip bandage |
| mech.eng., construct. | vertedero de perfil triangular | triangular profile weir |
| tech., construct. | vertedero triangular | triangular weir |
| tech., construct. | vertedero triangular | V-Notch weir |
| tech. | viga triangular | Warren girder |
| tech. | viga triangular | truss |
| transp. | vuelo triangular | triangular pattern |
| water.res. | zanjadora triangular de arrastre | drag type ditcher |
