/ Dictionary / Index C convertible lens: Meaning and Definition of Find definitions for: convert'ible lens' Pronunciation: [key] — Photog. Photog. a lens containing two or more elements that can be used individually or in combination to provide a variety of focal lengths. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. convertible insurance convertible preferred stock Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language