n. 阴离子

[化] 阴离子

[医] 阴离子, 阳向离子

[ noun ]
a negatively charged ion
<noun.object>

Anion \An"i*on\, n. [Gr. ?, neut. ?, p. pr. of ? to go up; ? up
+ ? to go.] (Chem.)
An electro-negative atom or group of atoms, or the element
which, in electro-chemical decompositions, is evolved at the
anode; -- opposed to {cation}. --Faraday.