Definition of Estivation

1. Noun. (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period.

Exact synonyms: Aestivation
Category relationships: Zoological Science, Zoology
Generic synonyms: Dormancy, Quiescence, Quiescency
Derivative terms: Aestivate, Estivate



2. Noun. (botany) the arrangement of sepals and petals in a flower bud before it opens.
Exact synonyms: Aestivation
Category relationships: Botany, Phytology
Generic synonyms: Arrangement
Group relationships: Flower Bud

Definition of Estivation

1. Noun. (alternative spelling of aestivation) ¹

¹ Source: wiktionary.com

Definition of Estivation

1. [n -S]

Medical Definition of Estivation

1. A dormant state involving vastly lowered metabolism which certain animals enter in order to survive hot weather. Refers to the arrangement of sepals and petals or their lobes in an unexpanded flower bud. Compare: vernation. (09 Oct 1997)

Estivation Pictures

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Lexicographical Neighbors of Estivation

estimated
estimated tax
estimated tax return
estimates
estimating
estimation
estimations
estimative
estimator
estimators
estival
estivate
estivated
estivates
estivating
estivation (current term)
estivations
estivator
estivators
estivoautumnal
estoc
estocs
estoile
estoiles
estop
estoppage
estoppages
estopped
estoppel
estoppel by deed

Literary usage of Estivation

Below you will find example usage of this term as found in modern and/or classical literature:

1. Scientific Papers of Asa Gray by Asa Gray (1889)
"./estivation as a botanical character is comparatively recent, ... (1) In the first place, the modes of estivation may be conveniently divided into two ..."

2. Gray's School and Field Book of Botany: Consisting of "Lessons in Botany by Asa Gray (1887)
"277. The pieces of the calyx or the corolla either overlap each other in the bud, or they do not. When they do not overlap, the «estivation is ..."

3. Class-book of Botany: Being Outlines of the Structure, Physiology, and by Alphonso Wood (1869)
"... estivation, where each piece overlaps its neighbor, all in the same direction, appearing as if twisted together, as in Phlox, flax, oleander. (247, 252. ..."

4. An Introduction to Botany by John ( Lindley (1839)
"These are arranged under the heads of estivation, or the relation which organs bear to each other in the bud state; Direction, or the relation which organs ..."

5. An Introduction to Botany by John ( Lindley (1839)
"These are arranged under the heads of estivation, or the relation which organs bear to each other in the bud state; Direction, or the relation which organs ..."

6. A General System of Botany Descriptive and Analytical: In Two Parts by Emmanuel Le Maout, Joseph Decaisne, Joseph Dalton Hooker (1876)
"^estivation is alternate (w. alternativa), when the leaves of the calyx or corolla form two ... [^estivation is straight (a?, recta}, or open (OB. aperta), ..."

7. Class-book of Botany: Being Outlines of the Structure, Physiology, and by Alphonso Wood (1873)
"TUB VARIOUS MODES OP estivation ARE BEST OBSERVED in Sections of the bud made by ... IN VALVATE estivation tho pieces meet by their margins without ariv ..."

8. Introduction to Structural and Systematic Botany and Vegetable Physiology by Asa Gray (1866)
"The latter would be the preferable term ; but the former is in common use ; the word ^estivation (literally the summer state) having been devised for the ..."

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