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[kawr-imb, -im, kor-] /ˈkɔr ɪmb, -ɪm, ˈkɒr-/
noun, Botany.
a form of inflorescence in which the flowers form a flat-topped or convex cluster, the outermost flowers being the first to open.
Origin of corymb
1700-10; < Latin corymbus < Greek kórymbos head, top, cluster of fruit or flowers
Related forms
corymbed, adjective
corymblike, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for corymb
Historical Examples
  • Flowers large, to 2/3 in., many in a corymb, on glandular peduncles.

  • The axis of a corymb is short in proportion to the lower pedicels.

  • corymbose, in corymbs, approaching the form of a corymb, or branched in that way.

  • Second, the cauliflower, which is a cluster (corymb) of forced cabbage flowers.

    The Century Cook Book Mary Ronald
  • Ivy-branches, dividing both ways from the handle, surround its rim with a delicate tracery of sharp-cut leaf and corymb.

  • It has a rosette of root-leaves, from which rises a naked scape bearing a corymb of largish white flowers.

  • Their flower-heads are yellow, arranged in a corymb, and bloom during the whole of the summer.

    Field and Woodland Plants

    William S. Furneaux
  • It grows from two to four feet high, and bears a corymb of many yellow heads, from July to September.

    Field and Woodland Plants

    William S. Furneaux
  • The numerous flower-heads are arranged in a corymb, and are about half an inch in diameter, with white ray and yellow disc.

    Field and Woodland Plants

    William S. Furneaux
  • Cyme, in appearance much like a corymb, but it differs in the fact that the central flower blooms first.

British Dictionary definitions for corymb


/ˈkɒrɪmb; -rɪm/
an inflorescence in the form of a flat-topped flower cluster with the oldest flowers at the periphery. This type of raceme occurs in the candytuft
Derived Forms
corymbed, adjective
corymbose, corymbous, adjective
corymbosely, adverb
Word Origin
C18: from Latin corymbus, from Greek korumbos cluster
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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corymb in Science
  (kôr'ĭmb, -ĭm)   
An indeterminate inflorescence whose outer flowers have longer stalks than the inner flowers, so that together they form a round cluster that is rather flat on top. The outer flowers open before the inner ones. Yarrow and the hawthorn have corymbs. See illustration at inflorescence.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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