/ Dictionary / Index D duplication of the cube: Meaning and Definition of Find definitions for: duplica'tion of the cube' Pronunciation: [key] — Geom. Geom. the insoluble problem of constructing a cube having twice the volume of a given cube, using only a ruler and compass. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. duplication duplicator 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