/ Dictionary / Index M microdot: Meaning and Definition of Find definitions for: mi•cro•dot Pronunciation: (mī'kru-dot"), [key] — n., v.t., -dot•ted, -dot•ting. —n. a photograph reduced to the size of a printed period, used esp. to transmit messages, photographs, drawings, etc. —v.t. to make a microdot of. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: microdot (Thesaurus) microdontia microearthquake Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language