单词 | diallel |
释义 | dialleln.adj. A line which intersects another. Cf. parallel n. 2. Obsolete. ΘΚΠ the world > space > relative position > fact or condition of being transverse > intersection > [noun] > a line crossing another cross-linec1400 diallel1610 1610 E. Bolton Elements of Armories sig. dd.3 Diallels are lines which runne one through the other, that is, do crosse, intersecate, or cutt. 1656 T. Blount Glossographia (at cited word) As parallels are lines running one by the other without meeting: so Diallels are lines which run one through the other, that is, do cross, intersecate, or cut. B. adj. ΘΚΠ the world > space > relative position > fact or condition of being transverse > intersection > [adjective] > crossing or crossed over each other acrossed1550 cross1602 incrossed1606 criss-cross1614 diallel1658 crossed1834 intercrossing1859 1658 E. Phillips New World Eng. Words Diallel lines, lines running crosse, and cutting one another. [Also in later dictionaries.] 2. Biology. Of or relating to a scheme (often used in plant and animal breeding) in which all possible crosses are made for a set of varieties, breeds, lines, etc. ΚΠ 1919 J. Schmidt in Jrnl. Genetics 9 61 With a number of trout I perform what I have called diallel crossings. 1976 J. W. Wright Introd. Forest Genet. ix. 176 With a complete diallele crossing pattern, each parent is crossed with every other parent. 2007 G. Acquaah Princ. Plant Genetics & Breeding viii. 144/1 A diallel design is most commonly used to estimate combining abilities. This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022). < n.adj.1610 |
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