di·atom·ic /ˌdaɪəˈtɑmɪk/
(a.)二原子的,二價的,二氫氧基的
di·atom·ic /ˌdaɪəˈtɑmɪk/ 形容詞
硅藻的,二原子的,二價的
di·a·tom·ic a. Chem. (a) Containing two atoms. (b) Having two replaceable atoms or radicals.
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diatomic
adj : of or relating to a molecule made up of two atoms; "a
diatomic molelcule"