aestivation


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aes·ti·va·tion

 (ĕs′tə-vā′shən)
n.
Variant of estivation.

aestivation

(ˌiːstɪˈveɪʃən; ˌɛs-) or

estivation

n
1. (Zoology) the act or condition of aestivating
2. (Botany) the arrangement of the parts of a flower bud, esp the sepals and petals

aes·ti·va·tion

(ĕs′tə-vā′shən)
Another spelling of estivation.

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.aestivation - (zoology) cessation or slowing of activity during the summeraestivation - (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.aestivation - (botany) the arrangement of sepals and petals in a flower bud before it opensaestivation - (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 ?
Again in another work he says, the genera of the Connaraceae 'differ in having one or more ovaria, in the existence or absence of albumen, in the imbricate or valvular aestivation.
It is well known that within the tropics, the hybernation, or more properly aestivation, of animals is determined not by the temperature, but by the times of drought.
plants the plants, depending on weather conditions in each region, germinate in the fall or winter and early winter or early spring flowers they sit and then go to seed seeds of winter annual weeds, arriving sporadically, and dormant in the soil aestivation.
Corolla pentamerous, gamopetalous and caducous, with valvate aestivation, presumably rotate and reflexed.
This research suggests that short periods of dormancy, called aestivation, in addition to burrowing behavior, may have been a crucial adaptation that allowed mammal ancestors to survive the P-T extinction.
While there was variation in techniques among the studies we reviewed, all surveys were conducted during peak activity periods, between movement from terrestrial aestivation and overwintering areas to aquatic habitats (generally during the last 2 weeks of April), and during the return to aestivation, usually about the second and third week of July.
After summer aestivation, 14 wk after reinfestation and 22 wk after insecticide applications, only the control, horticultural oil, and Talstar treatments had hemlock woolly adelgid in our samples (Table 3).
In years gone by the financial markets would have followed nature's calling and gone into aestivation.
The Fish and Wildlife Service's permit incorporates a wildlife-friendly pond design and describes management measures such as keeping ponds free of fish and bullfrogs, protecting ground squirrel burrows as aestivation (a period of inactivity during summer months) habitat for salamanders and frogs, and continuing managed grazing, as well as measures to reduce impacts to listed species during pond repair projects.
Even apart from striking features like hibernation or aestivation, different species vary widely in the amount of time spent in sleep and show widely varying patterns of sleep architecture.