/ Dictionary / Index I infrared star: Meaning and Definition of Find definitions for: in'frared star' Pronunciation: [key] — Astron. Astron. a star radiating strongly in the infrared portion of the electromagnetic spectrum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. infrared galaxy infrasonic Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language