Hypertext Webster Gateway: "cation"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cation \Cat"i*on\, n. [Gr. ? downward + ? going, p. pr. of ? to
go.] (Chem.)
An electro-positive substance, which in electro-decomposition
is evolved at the cathode; -- opposed to {anion}. --Faraday.
From WordNet (r) 1.7 (wn)
cation
n : a positively charged atom
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