| 释义 |
raciation|reɪsɪˈeɪʃən|
[f. race n.2 + -ation; cf. speciation.]
The evolutionary development of distinct biological races.
1952Sat. Rev. (U.S.) 5 July 16/3 The methods he [sc. Edgar Anderson] describes are very like those used by the anthropologist interested in tracing the wanderings of peoples, their mixture, and ‘raciation’. 1971Nature 28 May 250/1 This approach to microsystematics has been of particular value in the study of raciation..in commercially important marine fishes. |