estivation


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es·ti·va·tion

also aes·ti·va·tion  (ĕs′tə-vā′shən)
n.
1. Zoology A state of dormancy or torpor during a hot dry period.
2. Botany The arrangement of the floral parts in a bud.
3. The act of spending or passing the summer.

estivation

(ˌiːstɪˈveɪʃən; ˌɛs-)
n
1. (Botany) the usual US spelling of aestivation
2. (Zoology) the usual US spelling of aestivation

es•ti•va•tion

(ˌɛs təˈveɪ ʃən)

n.
the act of estivating.
[1615–25]

es·ti·va·tion

(ĕs′tə-vā′shən)
Zoology
An inactive state resembling deep sleep, in which some animals living in hot climates, such as certain snails, pass the summer. Estivation protects these animals against the heat and dryness of the summer. Compare hibernation.

estivation, aestivation

Obsolete, summering; the taking of a summer holiday.
See also: Recreation
the arrangement of petals in a flower before it opens; prefloration. Also aestivation.
See also: Flowers
the practice of certain animals of sleeping throughout the summer. Cf. hibernation.
See also: Zoology
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.estivation - (zoology) cessation or slowing of activity during the summerestivation - (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period
zoological science, zoology - the branch of biology that studies animals
dormancy, quiescence, quiescency - a state of quiet (but possibly temporary) inaction; "the volcano erupted after centuries of dormancy"
2.estivation - (botany) the arrangement of sepals and petals in a flower bud before it opensestivation - (botany) the arrangement of sepals and petals in a flower bud before it opens
phytology, botany - the branch of biology that studies plants
arrangement - an orderly grouping (of things or persons) considered as a unit; the result of arranging; "a flower arrangement"
flower bud - a bud from which only a flower or flowers develop
References in classic literature ?
On the under story, towards the garden, let it be turned to a grotto, or a place of shade, or estivation. And only have opening and windows towards the garden; and be level upon the floor, no whit sunken under ground, to avoid all dampishness.
Earthworms can survive periods of drought by making chambers and entering a state of dormancy (or 'estivation') for drought periods up to 3 weeks with low mortality (14%) (McDaniel et al.
Uric acid deposits and estivation in the invasive apple snail, Pomacea caniliculata.
Within the Solanaceae, Cyphomandra belongs to the subfamily Solanoideae and tribe Solaneae, characterized by flattened seeds with curved embryos and abundant endosperm, valvate, induplicate, or plicate corolla a estivation, and filaments inserted near the base of the anthers (Bohs 1995).
(1) The common earthworm Aporrectodea caliginosa survives drought by forming estivation chambers in the topsoil under even very slight reductions in soil water activity.
Life in the slow lane: molecular mechanisms of estivation. Comparative Biochemistry and Physiology part A.
Some chambers have steep inclines that kept sleeping Palaeocastors safe from flooding, evidence of a type of mid-summer hibernation called "estivation."
A small air hole allows for breathing, especially during estivation.
Ultsch, "Estivation and hibernation," in Environmental Physiology of the Amphibians, M.
Physiological capacity for estivation in the Sonoran mud turtle, Kinosternon sonoriense.
Storey, "Glycolytic controls in estivation and anoxia: a comparison of metabolic arrest in land and marine molluscs," Comparative Biochemistry and Physiology A, vol.
In reference to amphibian and reptilian digestion, it has been shown that fluctuations in morphology and physiology of amphibian and reptilian digestive tracts occur (e.g., in response to fasting and estivation), thereby possibly stimulating fluctuations in microbial communities in these systems as well.