Definition of micromotor in US English:

micromotor

noun

  • 1A very small motor bicycle or motor car. rare.

  • 2A miniaturized motor; (Electronics) a microscopic motor made on a microchip.

Origin

1950s; earliest use found in Italian Affairs. From micro- + motor.

Pronunciation

micromotor

/ˈmʌɪkrə(ʊ)ˌməʊtə/