| Subject | English | Spanish |
| mech.eng. | accidental opening of the coupling | apertura accidental del acoplamiento |
| mech.eng. | breakage of coupling | rotura de enganche |
| mech.eng. | breaking of coupling | rotura de enganche |
| meas.inst. | coefficient of induction coupling between two circuits | factor de acoplamiento de dos circuitos |
| el. | control by means of a split coupling between the motor and the fan.The speed of the fan is varied by altering the slip between the two coupling halves either magnetically or hydraulically | acoplamiento hendido |
| earth.sc., el. | coupling between different phases of 2 circuits of a high-voltage link | acoplamiento entre fases diferentes de dos circuitos |
| earth.sc., el. | coupling between different phases of two circuits of a high-voltage link | acoplamiento entre fases diferentes de dos circuitos |
| tech. | coupling bolts of piston | pernos de acoplamiento del émbolo (pistón) |
| earth.sc. | coupling faces of central tubes | caras de acoplamiento de los tubos centrales |
| earth.sc., el. | coupling factor of 2 circuits | factor de acoplamiento inductivo de dos circuitos |
| earth.sc., el. | coupling factor of 2 circuits | factor de acoplamiento de dos circuitos |
| earth.sc., el. | coupling factor of two circuits | factor de acoplamiento inductivo de dos circuitos |
| earth.sc., el. | coupling factor of two circuits | factor de acoplamiento de dos circuitos |
| commun. | coupling loss of a test fixture | atenuación de acoplamiento de una caja de prueba |
| commun. | coupling loss variation of a test fixture | variación de la atenuación de acoplamiento de una caja de prueba |
| agric. | coupling of implements | fijación de aperos |
| agric. | coupling of implements | adaptación de aperos |
| transp. | coupling of motor vehicles | acoplamiento en unidades múltiples de vehículos motores |
| tech. | coupling of needle valve chest | acoplamiento de la caja de válvula de aguja |
| transp., mech.eng. | coupling of the locomotive on head of train | ponerse la máquina en la cabeza |
| transp., mech.eng. | coupling of the locomotive on head of train | puesta en cabeza |
| transp., mech.eng. | coupling of the locomotive on head of train | acoplarse la locomotora |
| transp. | coupling of vehicles | enganche de vehículo |
| gen. | couplings of metal for chains | enganches conexiones para cadenas |
| gen. | couplings of metal for chains | empalmes para cadenas |
| transp., mech.eng. | couplings of the engines | acoplamiento de las máquinas |
| mech.eng. | horizontal rotation of the coupling head | movimiento de rotación horizontal de la bola de remolque |
| earth.sc., el. | inductive coupling factor of 2 circuits | factor de acoplamiento de dos circuitos |
| earth.sc., el. | inductive coupling factor of 2 circuits | factor de acoplamiento inductivo de dos circuitos |
| earth.sc., el. | inductive coupling factor of two circuits | factor de acoplamiento inductivo de dos circuitos |
| earth.sc., el. | inductive coupling factor of two circuits | factor de acoplamiento de dos circuitos |
| commun. | inherent mechanical coupling of handset | acoplamiento mecánico propio del microteléfono |
| mech.eng. | to interfere with easy movement of the drawbar after coupling-up | obstaculizar el libre movimiento del enganche una vez efectuado el acoplamiento |
| tax. | joint assessment of married couples | imposición conjunta de los cónyuges |
| transp., mech.eng. | lengthening of the coupling | alargamiento del enganche |
| transp., mech.eng. | loosening of couplings | aflojamiento de los enganches |
| transp., mech.eng. | play of couplings | holgura de los enganches |
| magn. | point of common coupling | punto de conexión común |
| magn. | point of common coupling | punto de acoplamiento común |
| magn. | point of common coupling | PCC |
| tech. | quick-disconnect type of coupling | acoplador de desconexión rápida |
| mech.eng. | safe coupling together of vehicles | seguridad del acoplamiento de los vehículos |
| mater.sc. | section of coupling | medio racor |
| mater.sc. | section of coupling | medio acople |
| transp., mech.eng. | securing of couplings | acoplamiento de los enganches |
| transp., mech.eng. | slack of couplings | holgura de los enganches |
| transp., mech.eng. | stretching of the coupling | alargamiento del enganche |
| transp. | Uniform provisions concerning the approval of a close-coupling device CCD | Disposiciones uniformes relativas a la homologación de dispositivos de acoplamiento corto DAC |