non-adaptiveadj.

Brit.

/nɒnəˈdaptɪv/, U.S.

/ˌnɑnəˈdæptɪv/

Origin: Formed within English, by derivation. Etymons: non- prefix, adaptive adj.

Etymology: < non- prefix + adaptive adj. Compare earlier unadaptive adj.

Not adaptive; (Biology) not resulting in the better adaptation of an organism to its environment; not increasing the genetic fitness of an organism.

ΚΠ

1872 T. Gill Arrangem. Families Fishes p. viii It is logically..the result of..the assuption that certain characteristics..common..to certain forms, especially when non-adaptive, are indicative of community of origin.

1926 J. S. Huxley Ess. Pop. Sci. xviii. 276 An artificial and non-adaptive tendon.

1955 Sci. Amer. Apr. 93/1 The modification of T2 is ‘nonadaptive’; that is, the modified virus cannot grow in the host that changed it.

1980 Dædalus Spring 44 Selection on one part of a structure may impose a set of correlated and nonadaptive modifications on other parts of an integrated body.

1992 M. Ingrouille Diversity & Evol. Land Plants 21 It is not clear how much of the variation observed is non-adaptive, with little or no effect on the survivability or reproductive success of a plant.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	non-adaptive
释义	non-adaptiveadj. Brit. /nɒnəˈdaptɪv/, U.S. /ˌnɑnəˈdæptɪv/ Origin: Formed within English, by derivation. Etymons: non- prefix, adaptive adj. Etymology: < non- prefix + adaptive adj. Compare earlier unadaptive adj. Not adaptive; (Biology) not resulting in the better adaptation of an organism to its environment; not increasing the genetic fitness of an organism. ΚΠ 1872 T. Gill Arrangem. Families Fishes p. viii It is logically..the result of..the assuption that certain characteristics..common..to certain forms, especially when non-adaptive, are indicative of community of origin. 1926 J. S. Huxley Ess. Pop. Sci. xviii. 276 An artificial and non-adaptive tendon. 1955 Sci. Amer. Apr. 93/1 The modification of T2 is ‘nonadaptive’; that is, the modified virus cannot grow in the host that changed it. 1980 Dædalus Spring 44 Selection on one part of a structure may impose a set of correlated and nonadaptive modifications on other parts of an integrated body. 1992 M. Ingrouille Diversity & Evol. Land Plants 21 It is not clear how much of the variation observed is non-adaptive, with little or no effect on the survivability or reproductive success of a plant. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < adj.1872
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