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[an-thee-sis] /ænˈθi sɪs/
noun, plural antheses
[an-thee-seez] /ænˈθi siz/ (Show IPA).
the period or act of expansion in flowers, especially the maturing of the stamens.
Origin of anthesis
1825-35; < New Latin < Greek ánthēsis bloom, equivalent to anthē- (verbid stem of antheîn to bloom) + -sis -sis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for anthesis
  • Plant height, plant diameter, and date of anthesis will be recorded.
  • Bagging of the inoculated panicles at the beginning of anthesis generally increased ergot severity on both lines.
British Dictionary definitions for anthesis


the time when a flower becomes sexually functional
Word Origin
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
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Word Origin and History for anthesis

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

Online Etymology Dictionary, © 2010 Douglas Harper
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anthesis in Science
The period during which a flower is fully open and functional. Also called efflorescence.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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