Search Result for "anion": 
Wordnet 3.0

NOUN (1)

1. a negatively charged ion; 



The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]


WordNet (r) 3.0 (2006):

anion
    n 1: a negatively charged ion