noun, plural antheses [an-thee-seez] . Botany.
the period or act of expansion in flowers, especially the maturing of the stamens.

1825–35; < Neo-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. 2014.
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World English Dictionary
anthesis (ænˈθiːsɪs)
the time when a flower becomes sexually functional
[C19: via New Latin from Greek: full bloom, from anthein to bloom, from anthos flower]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1835, from Gk. anthesis, noun of action from antheein "to blossom" (see anther).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
anthesis   (ān-thē'sĭs)  Pronunciation Key 
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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Example sentences
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.
Related Words
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