| 释义 |
homogen|ˈhɒmədʒɛn|
[f. homo- + -gen.]
†1. Bot. (See quot.) Obs.
1866Treas. Bot., Homogens, a name given by Lindley to a division of Exogens characterised by the wood being arranged in the form of wedges, and not in concentric circles.
2. Biol. A part or organ homogenetic with another: see homogenetic 1.
1870Ray Lankester in Ann. Nat. Hist. VI. 43 The hœmochyle or blood-lymph system of Vertebrates has no homogen, or but a very rudimentary one, in the other groups of animals. 1875Contemp. Rev. XXVI. 946.
b. A race of organized beings descended from a common ancestor.
1888Pop. Sci. Monthly Dec. 179 We can consider the different men as forming a relative homogen—a species, as M. de Quatrefages contends. |