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