dyad

• n. 二重; [生物学的]二分法; 対; [化学的]二価元素
• adj.

ラテン語の dyad, two, 語源 two から。 化学名詞の二価元素などに使われる。

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.

1. As a result， dyad spores formed.

の結果、二分体胞子が形成された。