单词 | polytypy |
释义 | polytypy/ˈpɒlɪtʌɪpi/noun 1The occurrence of several types within a group. 2 Biology = polytypism. 3 Crystallography = polytypism. rare. OriginEarly 20th century; earliest use found in American Anthropologist. In sense 1 from poly- + type + -y. |
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