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[kar-ee-op-sis] /ˌkær iˈɒp sɪs/
noun, plural caryopses
[kar-ee-op-seez] /ˌkær iˈɒp siz/ (Show IPA),
[kar-ee-op-si-deez] /ˌkær iˈɒp sɪˌdiz/ (Show IPA).
a small, one-celled, one-seeded, dry indehiscent fruit with the pericarp adherent to the seed coat, the typical fruit of grasses and grains.
Origin of caryopsis
1820-30; cary(o)- + -opsis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for caryopsis
  • Such caryopsis formation has never been observed previously in any known wheat.
  • Each spikelet consists of a caryopsis, the brown rice grain, and the surrounding hull.
  • Sometimes the germs are dislocated to the back of caryopsis for the caryopses formed from lodicules.
  • The ventral side of lodicule caryopsis is turned outwards of the flower.
  • The inflorescence is an open panicle with a single caryopsis in each spikelet.
  • Seeds were visually checked before treatments for a filled and mature caryopsis under a microscope.
British Dictionary definitions for caryopsis


noun (pl) -ses (-siːz), -sides (-sɪˌdiːz)
a dry seedlike fruit having the pericarp fused to the seed coat of the single seed: produced by the grasses
Word Origin
C19: New Latin; see karyo-, -opsis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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caryopsis in Science
Plural caryopses (kār'ē-ŏp'sēz') or caryopsides (kār'ē-ŏp'sĭ-dēz')
A small, dry, one-seeded fruit of a cereal grass, having the fruit and the seed walls united. Also called grain.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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