Definition of estivation in English:

estivation

Syllabification: es·ti·va·tion
Pronunciation: /ˌestəˈvāSHən
 
/
(also aestivation)

noun

1 Zoology Prolonged torpor or dormancy of an animal during a hot or dry period.
More 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.
More 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.

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Pronunciation: ˌəʊlɪˈadʒɪnəs
adjective
rich in, covered with, or producing oil; oily