Meaning of microminiature

mi•cro•min•i•a•ture

Pronunciation: (mī"krō-min'ē-u-chur, -choor", -min'u-), [key]
— adj.
  1. built on an extremely small scale, smaller than subminiature, esp. of electronic equipment with small solid-state components in the place of vacuum tubes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.