/ Dictionary / Index D dissection: Meaning and Definition of Find definitions for: dis•sec•tion Pronunciation: (di-sek'shun, dī-), [key] — n. the act of dissecting. something that has been dissected. a detailed, part-by-part analysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dissection (Thesaurus) dissected dissector tube Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language