crustose: Meaning and Definition of

crus•tose

Pronunciation: (krus'tōs), [key]
— adj. Bot., Mycol.
  1. forming a crusty, tenaciously fixed mass that covers the surface on which it grows, as certain lichens. Cf. foliose, fruticose.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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