amphithecia

Variant of amphithecium

noun pl. amphithecia

Bot. the outer layer of cells in the spore case of a bryophyte

Origin: ModL < amphi- + Gr thēkion, dim. of thēkē, a case: see theca

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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