/ Dictionary / Index A asiderite: Meaning and Definition of Find definitions for: a•sid•er•ite Pronunciation: (u-sid'u-rīt"), [key] — n. an iron-free meteorite consisting of friable material. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aside Asimov Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language