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, overlapping, etc.; prefloration. --Gray. [1913 Webster] [Spelt also {estivation}.] [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • 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 — 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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”