| 释义 |
▪ I. intercross, n.|ˈɪntəkrɒs, -krɔːs|
[inter- 2 a.]
An instance of cross-breeding or cross-fertilization.
1859Darwin Orig. Spec. iv. 101 Both in the vegetable and animal kingdoms, an occasional intercross with a distinct individual [ed. 1873, between distinct individuals] is a law of nature.
▪ II. intercross, v.|ɪntəˈkrɒs, -krɔːs|
[inter- 1 b.]
1. trans.
a. To cross each other (also intr. for refl.).
b. To lay or place across each other.
1711Shaftesbury Charac. (1737) III. 184 Various shapes and colours agreeably mixt, and rang'd in lines, intercrossing without confusion. 1817Coleridge Lay Serm. in Biog. Lit. (1882) 379 A vast idol, framed of iron bars intercrossed, which formed..an immense cage. 1821Lamb Elia Ser. i. St. Valentine, This is the day on which..Valentines cross and intercross each other at every street and turning. 1858G. Macdonald Phantastes iv. 37 Golden and red..fires crossed and intercrossed each other.
2. intr. Of plants or animals of different stocks or species: To breed or propagate with each other. Also trans. in pass.
1859Darwin Orig. Spec. iv. 101 If..all hermaphrodites do occasionally intercross with other individuals [etc.]. 1863Bates Nat. Amazon i. (1864) 15 Ants..are thus enabled to intercross with members of distant colonies. 1878Darwin in Life & Lett. (1887) III. 162 The..offspring must inter⁓cross one with another. 1880― in Nature XXI. 207/1 The almost universal sterility of species when intercrossed.
Hence interˈcrossing vbl. n. and ppl. a.
1859Darwin Orig. Spec. iv. 96 On the Intercrossing of Individuals. 1876Times 4 Oct., Inter-crossing and over⁓lapping lines of light. 1878Bell Gegenbaur's Comp. Anat. 395 In others the muscular layer is..composed of inter⁓crossing bands. |