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

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。

英文词源

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.

双语例句

1. As a result, dyad spores formed.

结果形成二分体孢子.

来自辞典例句

带dyad字词语

带dyad字成语