/ Dictionary / Index O objective lens: Meaning and Definition of Find definitions for: objec'tive lens" Pronunciation: [key] — Optics. Optics. objective (def. 3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. objective idealism objective prism Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language