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Noun: estivation  ,es-ti'vey-shun or ,ees-ti'vey-shun
Usage: US (elsewhere: aestivation)
  1. (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period
    - aestivation
  2. (botany) the arrangement of sepals and petals in a flower bud before it opens
    - aestivation

Derived forms: estivations

Type of: arrangement, dormancy, quiescence, quiescency

Part of: flower bud

Encyclopedia: Estivation