/ Dictionary / Index I imitation doublet: Meaning and Definition of Find definitions for: im'ita'tion dou'blet Pronunciation: [key] — Jewelry. Jewelry. a doublet formed entirely of glass. an imitation gem made from a single piece of glass. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. imitation imitative Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language