/ Dictionary / Index M microswitch: Meaning and Definition of Find definitions for: mi•cro•switch Pronunciation: (mī'kru-swich"), [key] — n. a highly sensitive switch used in automatic-control devices. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. microsurgery microteaching Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language