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glauco-

American  
especially before a vowel, glauc-.

  1. a combining form meaning “gray, opaque,” used in the formation of compound words.

    glaucophane.

Etymology

Origin of glauco-

< Greek glauko-, glauk-, comb. forms of glaukós

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.