dyad是什么意思 dyad的用法 dyad怎么读

dyad

英 ['daɪæd]美 ['daɪæd]

n. 双；[生物] 二分体；一对；[化学] 二价元素

adj. 二的；双的

星级词汇:★

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中文词源

dyad 二价元素，二分体

来自拉丁语dyad, 二，词源two. 用于化学名词二价元素等。

英语词源

dyad (n.)

1670s, from Latin dyad-

, stem of dyas, from Greek dyas "the number two, a group of two," from duo "two" (see two). Specific sense in chemistry ("a bivalent element") is by 1865; also used in biology, poetics, mathematics. Related: Dyadic.

权威例句

1. As a result, dyad spores formed.

结果形成二分体孢子.

[ dyad 造句 ]