idioblast
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idioblast
[′īd·ē·ō‚blast] (botany)
A plant cell that differs markedly in shape or function from neighboring cells within the same tissue.
(geology)
A mineral constituent of a metamorphic rock formed by recrystallization which is bounded by its own crystal faces.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.