outbreedingn.

Brit.

/ˈaʊtˌbriːdɪŋ/, U.S.

/ˈaʊtˌbridɪŋ/

Origin: Formed within English, by derivation. Etymons: out- prefix, breeding n.

Etymology: < out- prefix + breeding n., after in-breeding n. Compare later outbred adj., outbreed v. 2.

The breeding together of parental organisms that are unrelated or not closely related.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > cross-breeding or hybridism

nick1824

crossing1851

hybridization1851

hybridism1854

intercrossing1859

hybridation1879

outcrossing1890

paragenesis1890

outbreeding1901

back-crossing1904

vicinism1905

monohybridism1907

cross-breeding1932

1901 Bull. U.S. Dept. Agric. Div. Veg. Physiol. 29 38 ‘In-and-in breeding’, ‘outbreeding’ and other expressions relating to the close or distant relationship of parents have been prominent subjects among animal breeders.

1902 Encycl. Brit. XXV. 372/2 The tribes practised far more in-breeding than outbreeding.

1919 E. M. East & D. F. Jones Inbreeding & Outbreeding i. 13 Interest in the effects of inbreeding and of outbreeding is not confined to the professional biologist.

1940 Nature 30 Mar. 485/2 If we are to regard unisexuality simply as one of a number of outbreeding mechanisms, it is necessary to account for the fact that it is frequently found in some groups..but rare in others.

1964 E. J. H. Corner Life of Plants xi. 197 Flowers have devices..to carry pollen from one flower to another, and, preferably, from one plant to another, to secure outbreeding.

1985 D. S. Bendall Evol. from Molecules to Men (BNC) 497 The costs of outbreeding may include the risk of infections from pathogens carried by the partner.

This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).

单词	outbreeding
释义	outbreedingn. Brit. /ˈaʊtˌbriːdɪŋ/, U.S. /ˈaʊtˌbridɪŋ/ Origin: Formed within English, by derivation. Etymons: out- prefix, breeding n. Etymology: < out- prefix + breeding n., after in-breeding n. Compare later outbred adj., outbreed v. 2. The breeding together of parental organisms that are unrelated or not closely related. ΘΚΠ the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > cross-breeding or hybridism nick1824 crossing1851 hybridization1851 hybridism1854 intercrossing1859 hybridation1879 outcrossing1890 paragenesis1890 outbreeding1901 back-crossing1904 vicinism1905 monohybridism1907 cross-breeding1932 1901 Bull. U.S. Dept. Agric. Div. Veg. Physiol. 29 38 ‘In-and-in breeding’, ‘outbreeding’ and other expressions relating to the close or distant relationship of parents have been prominent subjects among animal breeders. 1902 Encycl. Brit. XXV. 372/2 The tribes practised far more in-breeding than outbreeding. 1919 E. M. East & D. F. Jones Inbreeding & Outbreeding i. 13 Interest in the effects of inbreeding and of outbreeding is not confined to the professional biologist. 1940 Nature 30 Mar. 485/2 If we are to regard unisexuality simply as one of a number of outbreeding mechanisms, it is necessary to account for the fact that it is frequently found in some groups..but rare in others. 1964 E. J. H. Corner Life of Plants xi. 197 Flowers have devices..to carry pollen from one flower to another, and, preferably, from one plant to another, to secure outbreeding. 1985 D. S. Bendall Evol. from Molecules to Men (BNC) 497 The costs of outbreeding may include the risk of infections from pathogens carried by the partner. This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022). < n.1901
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