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

Origin of glauco-

<Greek glauko-, glauk-, comb. forms of glaukós
  • Also especially before a vowel, glauc-.

Words Nearby glauco- Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use glauco- in a sentence