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[es-tuh-vey-shuh n] /ˌɛs təˈveɪ ʃən/
Zoology. the act of estivating.
Botany. the arrangement of the parts of a flower in the bud.
Origin of estivation
First recorded in 1615-25; estivate + -ion Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for estivation
Historical Examples
  • It was clear that nature was in preparation for her estivation.

    Of All Things Robert C. Benchley
  • First, it may be remembered that this period corresponds nearly to the active life of the animal before and after estivation.

  • The dry season here is not excessive, nor is there any estivation, as in some tropical countries.

    The Western World W.H.G. Kingston
British Dictionary definitions for estivation


/ˌiːstɪˈveɪʃən; ˌɛs-/
the usual US spelling of aestivation
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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estivation in Science
An inactive state resembling deep sleep, in which some animals living in hot climates, such as certain snails, pass the summer. Estivation protects these animals against heat and dryness. Compare hibernation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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