/ Dictionary / Index I isopropylideneacetone: Meaning and Definition of Find definitions for: i•so•pro•pyl•i•dene•ac•e•tone Pronunciation: (ī"su-prō-pil"i-dēn-as'i-tōn"), [key] — n. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isopropyl group isopropyl meprobamate Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language