[es-tuh-vey-shuh n] /ˌɛs təˈveɪ ʃən/

Zoology. the act of .
Botany. the arrangement of the parts of a flower in the bud.
/ˌiːstɪˈveɪʃən; ˌɛs-/
the usual US spelling of aestivation
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.


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