[ fel-sik ]
/ ˈfɛl sɪk /
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(of rocks) consisting chiefly of feldspars, feldspathoids, quartz, and other light-colored minerals.
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Words nearby felsic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Scientific definitions for felsic
[ fĕl′sĭk ]
Relating to an igneous rock that contains a group of light-colored silicate minerals, including feldspar, feldspathoid, quartz, and muscovite. Compare mafic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.