/ Dictionary / Index M microcirculation: Meaning and Definition of Find definitions for: mi•cro•cir•cu•la•tion Pronunciation: (mī"krō-sûr"kyu-lā'shun), [key] — n. the movement of blood through the arterioles, capillaries, and venules. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. microcircuitry microclimate Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language