/ Dictionary / Index C compactible: Meaning and Definition of Find definitions for: com•pact•i•ble Pronunciation: (kum-pak'tu-bul), [key] — adj. capable of being compacted: compactible rubbish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. compact disk player compaction Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language