Definition of subcomponent in US English:

subcomponent

noun

  • A subordinate or minor component; an element or part of a component.

Origin

Mid 19th century; earliest use found in Dionysius Lardner (1793–1859), writer on science and public lecturer. From sub- + component.

Pronunciation

subcomponent

/ˈsʌbkəmˌpəʊnənt/