Breadcrumb Home > Dictionary > Index O Cite objective prism: Meaning and Definition of Find definitions for: objec'tive prism' Pronunciation: [key] ? Astron. Astron. a large prism placed in front of the objective lens or mirror of a telescope, allowing the simultaneous acquisition of the spectra of many stars. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. objective lens objective relativism TrendingHere are the facts and trivia that people are buzzing about. March 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress The Women's March on Versailles Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: neplusultra Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language