dyad

名词 dyad:

1. two items of the same kind
   同义词：couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duo, duet, duad

dy.ad

n.（名词）
Two individuals or units regarded as a pair:
一对：两个个体或单位被视为一对：
例句：
the mother-daughter dyad.
母女配对

Biology One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.
【生物学】 二分体：一对由四分体在成熟分裂过程中形成的同源染色体
Chemistry A divalent atom or radical.
【化学】 二价原子：二价的原子或基
Mathematics An operator represented as a pair of vectors juxtaposed without multiplication.
【数学】 并矢：一种代表一对矢量的运算子，矢量并置但不增值
adj.（形容词）
Made up of two units.
二分组合：由两个单元组成

来源：
From Greek duas duad-
源自 希腊语 duas duad-
from duo [two] * see dwo-
源自 duo [二] *参见 dwo-