estivation

[es-tuh-vey-shuhn]

es·ti·va·tion

[es-tuh-vey-shuhn]
noun
1.
Zoology. the act of estivating.
2.
Botany. the arrangement of the parts of a flower in the bud.

Origin:
1615–25; estivate + -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Estivation is always a great word to know.
So is mammal. Does it mean:
major grouping of small-to-microscopic pseudocoelomate organisms
vertebrate with body hair that nourishes young with milk from mammary glands
Collins
World English Dictionary
aestivation or (US) estivation (ˌiːstɪˈveɪʃən, ˌɛs-, ˌiːstɪˈveɪʃən, ˌɛs-)
 
n
1.  the act or condition of aestivating
2.  the arrangement of the parts of a flower bud, esp the sepals and petals
 
estivation or (US) estivation
 
n

estivation (ˌiːstɪˈveɪʃən, ˌɛs-)
 
n
the usual US spelling of aestivation

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
estivation   (ěs'tə-vā'shən)  Pronunciation Key 
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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