TRANSMISSIYa (az lotini transvissio—tahvil, intiqol), olatero guyand, ki baroi tahvili energiyai mekhanikii muharrik ba uzvhoi korii avtomobil yo digar moshinho (dastgoh, osiyob va gayra) tain shudaast.
Transmissiya (navardi transmissioni) moshini koriro odatap tazassuti tasma ba harakat meovarad, Dar tokhnikai muosir majmui olathoi tahvil (az mehvari muharrik sar karda to uzvhoi korii moshin)-ro Transmissiya menomand.