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sepal

[see-puh l] /ˈsi pəl/
noun, Botany
1.
one of the individual leaves or parts of the calyx of a flower.
Origin
< Neo-Latin sepalum (1790), irregular coinage based on Greek sképē covering and Latin petalum petal
Related forms
sepaled, sepalled, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for sepal
  • Ethylene regulation of a number of regulatory factors during cool-temperature induced sepal morphogenesis was revealed.
British Dictionary definitions for sepal

sepal

/ˈsɛpəl/
noun
1.
any of the separate parts of the calyx of a flower
Derived Forms
sepalled, sepalous (ˈsɛpələs) adjective
Word Origin
C19: from New Latin sepalum: sep-, from Greek skepē a covering + -alum, from New Latin petalumpetal
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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Word Origin and History for sepal
n.

"leaf of the calyx," 1821, from French sépal, from Modern Latin sepalum (H.J. de Necker, 1790), coined from Latin separatus "separate, distinct" (see separate (v.)) + petalum "petal" (see petal).

Online Etymology Dictionary, © 2010 Douglas Harper
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sepal in Science
sepal
  (sē'pəl)   
One of the usually separate, green parts that surround and protect the flower bud and extend from the base of a flower after it has opened. Sepals tend to occur in the same number as the petals and to be centered over the petal divisions. In some species sepals are colored like petals, and they can even be indistinguishable from petals, as in the lilies (in what are called tepals). In some groups, such as the poppies, the sepals fall off after the flower bud opens. See more at flower.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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