Definition of estivation in English:

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estivation

Pronunciation: /ˌestəˈvāSHən/
(also aestivation)

noun

1 Zoology Prolonged torpor or dormancy of an animal during a hot or dry period.
Example sentences
  • By shutting down their intestinal tracts during estivation, they reduce their daily energy expenditure and therefore increase the duration that they can survive dormancy.
2 Botany The arrangement of petals and sepals in a flower bud before it opens. Compare with vernation.
Example sentences
  • Calibrachoa can, however, be distinguished from Petunia based on the higher chromosome number, chromosome morphology, plant branching habit and type of flower bud estivation.

For editors and proofreaders

Syllabification: es·ti·va·tion

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