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单词 preadapt
释义

preadaptv.

Brit. /ˌpriːəˈdapt/, U.S. /ˌpriəˈdæpt/
Origin: Formed within English, by derivation. Etymons: pre- prefix, adapt v.
Etymology: < pre- prefix + adapt v. With the specific use with reference to evolution, compare French préadapté preadapted ( L. Cuénot La genèse des espèces animales(1911) iv. 291).
transitive. To adapt beforehand; to make suited to future or subsequent conditions; (in evolutionary biology) to adapt (an organism) fortuitously to a new environment or mode of life, so that a change in conditions results in advantage from a feature previously adapted for some other function. Frequently in passive.
ΘΚΠ
the world > life > biology > biological processes > evolution > evolve [verb (transitive)] > pre-adaptation
preadapt1758
1758 W. Borlase Nat. Hist. Cornwall 79 The solids were preadapted by the divine power to form the foundation..of the globe.
1849 E. H. Sears Regeneration (1859) i. ii. 27 The same propensities in men will..preadapt the organs to every shade of meaning.
1898 Mind 7 369 If I take it in my hand, the strength of the muscular contractions, involved in raising it, is accurately pre-adapted to its weight.
1959 Nevada State Jrnl. 21 Aug. 15/2 The travelling diplomat would have to be told..to pre-adapt himself by going to bed every evening several days in advance according to the European time, in order to be fully alert.
1969 J. M. Weller Course of Evol. ix. 467 The evolutionary development..of these advanced and more complex feathers, whose original function was insulation, preadapted the very early birds for flight.
2004 Food Microbiol. 21 258/2 Preparation of the starter culture involved a step to preadapt the bacteria to the CDW [= chemically defined wine] .

Derivatives

preaˈdapted adj.
ΘΚΠ
the world > life > biology > biological processes > evolution > [adjective] > adaptation > pre-adaptation
preadapted1880
preadaptive1906
preadaptational1933
1880 Mind 5 12 The organic substratum in which the corresponding change occurs has to be considered pre-adapted to the stimulating medium.
1915 Eugenics Rev. 7 56 By being warm-blooded, mammals and birds are enabled to maintain their normal activity throughout a wide range of temperature, and they may therefore be said to be preadapted to all temperatures within that range.
1993 Coloradoan (Fort Collins) 12 May a8/2 Infants are biologically pre-adapted to becoming social by their reflexes that help maintain a close relationship to caretakers.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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