raciation

[,reiʃi'eiʃən]

raciation (n.): "evolutionary development of biological races," 1952, from race (n.2) + ending from speciation, etc.

※ 以上参考资料就是本英汉词典详细汇总的单词raciation的翻译英语含义，如有错漏请向我们提供反馈意见。