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es·ti·va·tion (es″tĭ-vaґshən) [L. aestivus, from aestas summer] the dormant state of decreased metabolism in which certain animal species, as some tropical amphibians, survive a hot, dry summer; summer dormancy. Cf. hibernation.Medical dictionary. 2011.
estivation — [ ɛstivasjɔ̃ ] n. f. • 1819; de estiver 1 ♦ Bot. Disposition des diverses parties de la fleur avant leur épanouissement. ⇒ préfloraison. 2 ♦ Zool. Engourdissement de certains animaux (crocodiles, serpents) pendant l été (opposé à hibernation). ●… … Encyclopédie Universelle
Estivation — or aestivation (from Latin aestas , summer), also known as summer sleep , is a state of dormancy somewhat similar to hibernation. It takes place during times of heat and dryness, the hot dry season, which is often but not inevitably the summer… … Wikipedia
estivation — [es΄tə vā′shən] n. 1. Zool. the state of an estivating creature 2. Bot. the arrangement of petals in a flower bud before it opens … English World dictionary
estivation — (è sti va sion) s. f. 1° Terme de botanique. Synonyme de préfloraison, agencement qu observent les diverses parties de la fleur avant leur épanouissement. Estivation valvaire, où les pièces florales se touchent seulement par leurs bords.… … Dictionnaire de la Langue Française d'Émile Littré
Estivation — L estivation est un phénomène analogue à celui de l hibernation, au cours duquel les animaux tombent en léthargie. L estivation se produit durant les périodes les plus chaudes et les plus sèches de l été. On rencontre ce phénomène par exemple… … Wikipédia en Français
estivation — AEstivation [AE]s ti*va tion, n. 1. (Zo[ o]l.) The state of torpidity induced by the heat and dryness of summer, as in certain snails; opposed to {hibernation}. [1913 Webster] 2. (Bot.) The arrangement of the petals in a flower bud, as to folding … The Collaborative International Dictionary of English
Estivation — Estival Es ti*val, a., Estivate Es ti*vate, v. i., Estivation Es ti*va tion, n. Same as {[AE]stival}, {[AE]stivate}, etc. [1913 Webster] || … The Collaborative International Dictionary of English
estivation — noun 1. (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period • Syn: ↑aestivation • Derivationally related forms: ↑aestivate (for: ↑aestivation), ↑estivate … Useful english dictionary
estivation — also aestivation noun Date: 1625 the state of one that estivates … New Collegiate Dictionary
estivation — dormancy during the dry season. e.g. in Dipnoi. Also spelled aestivation … Dictionary of ichthyology
estivation — n. [L. aestas, summer] A form of dormancy during the summer months in high temperatures, or dry seasons; see hibernestivation … Dictionary of invertebrate zoology
