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frustule definition

frus·tule (frus′tyo̵̅o̅l′, -c̸ho̵̅o̅l′)

noun

either of the two interlocking halves of the hard, siliceous shell of a diatom cell

Etymology: Fr < L frustulum, dim. of frustum, a piece: see frustum

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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