| 释义 |
▪ I. † clade, n.1 Obs.
[ad. L. clādes destruction, disaster: cf. It. clade in same sense.]
A disaster, calamity, plague.
c1375Sc. Leg. Saints, St. Justina 413 Or ellis suld þat fellone clade Confonde þe cyte but abade. 1528Dr. Taylor To Wolsey (MS. Cott. Cal. D. x. 364), After the grete clade of sycknes and deth of Frenchmenn. 1604Babington Comfort. Notes Exod. x. Wks. (1637) 215 All the ruinous calamities and miserable clades.
▪ II. clade, n.2 Biol.|kleɪd|
[f. Gr. κλάδος branch.]
A group of organisms that have evolved from a common ancestor.
1957J. S. Huxley in Nature 7 Sept. 455/1 Cladogenesis results in the formation of delimitable monophyletic units, which may be called clades. 1963Sokal & Sneath Princ. Numerical Taxon. v. 102 Should taxa in orthodox taxonomy be in general monophyletic groups (clades) or phenetic groups? |