raphides

Variant of raphide

noun pl. raphides

Bot. a needle-shaped crystal, usually of calcium oxalate, developed singly, or more often in bundles, in a plant cell

Origin: ModL < Gr rhaphis (gen. rhaphidos), needle: for IE base see raphe

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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