/ Dictionary / Index A andesine: Meaning and Definition of Find definitions for: an•de•sine Pronunciation: (an'du-zēn"), [key] — n. a mineral, intermediate in the plagioclase feldspar group, having a play of colors and usually found as crystals in igneous rocks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Andes andesite Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language