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See more synonyms for anthesis on Thesaurus.com
noun, plural an·the·ses [an-thee-seez] /ænˈθi siz/. Botany.
  1. the period or act of expansion in flowers, especially the maturing of the stamens.
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Origin of anthesis

1825–35; < New Latin < Greek ánthēsis bloom, equivalent to anthē- (verbid stem of antheîn to bloom) + -sis -sis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for anthesis

rash, flowering, folding, developing, anthesis, redness

Examples from the Web for anthesis

Historical Examples of anthesis

  • These glands secrete a viscid juice at the time of anthesis.

    A Handbook of Some South Indian Grasses

    Rai Bahadur K. Ranga Achariyar

  • Anthesis, anthropocosmic—— Say, I'm glad you didn't call me that!

    Left Guard Gilbert

    Ralph Henry Barbour

  • Anthesis, the period or the act of the expansion of a flower.

  • Relation of temperature to anthesis and blossom drop of the tomato together with a histological study of the pistils.

    The Tomato

    Paul Work

  • These swellings help to spread out the branches especially at the time of anthesis.

    A Handbook of Some South Indian Grasses

    Rai Bahadur K. Ranga Achariyar

British Dictionary definitions for anthesis


  1. the time when a flower becomes sexually functional
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Word Origin for anthesis

C19: via New Latin from Greek: full bloom, from anthein to bloom, from anthos flower
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 anthesis


"full bloom," 1835, from Greek anthesis, noun of action from antheein "to blossom," from anthos "flower," (see anther).

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Online Etymology Dictionary, © 2010 Douglas Harper

anthesis in Science


  1. The period during which a flower is fully open and functional. Also called efflorescence
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.