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calyx

[key-liks, kal-iks]
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noun, plural ca·lyx·es, cal·y·ces [kal-uh-seez, key-luh-] /ˈkæl əˌsiz, ˈkeɪ lə-/.
  1. Botany. the outermost group of floral parts; the sepals.
  2. Anatomy, Zoology. a cuplike part.
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Origin of calyx

1665–75; < Latin < Greek kályx husk, covering, akin to kalýptein to veil, cover
Related formscal·y·cate [kal-i-keyt] /ˈkæl ɪˌkeɪt/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for calyx

calyx

noun plural calyxes or calyces (ˈkælɪˌsiːz, ˈkeɪlɪ-)
  1. the sepals of a flower collectively, forming the outer floral envelope that protects the developing flower budCompare corolla
  2. any cup-shaped cavity or structure, esp any of the divisions of the human kidney (renal calyx) that form the renal pelvis
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Derived Formscalycate (ˈkælɪˌkeɪt), adjective

Word Origin

C17: from Latin, from Greek kalux shell, from kaluptein to cover, hide
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

Word Origin and History for calyx

n.

1680s, from Latin calyx, from Greek kalyx "seed pod, husk, outer covering" (of a fruit, flower bud, etc.), from root of kalyptein "to cover, conceal" (see cell). The proper plural is calyces. Some sources connect the word rather with Greek kylix "drinking cup."

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Online Etymology Dictionary, © 2010 Douglas Harper

calyx in Medicine

calyx

(kālĭks, kălĭks)
n.
  1. Variant ofcalix

calyx in Science

calyx

[kālĭks, kălĭks]
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.