Webster's Revised Unabridged Dictionary · 1913

Electro-positive

Electro-positive , adjective

1.
(Physics) Of such a nature relatively to some other associated body or bodies, as to tend to the negative pole of a voltaic battery, in electrolysis, while the associated body tends to the positive pole; -- the converse or correlative of electro-negative.

An element that is electro-positive in one compound may be electro-negative in another, and vice versa.

2.
(Chemistry) Hence: Positive; metallic; basic; -- distinguished from negative, nonmetallic, or acid.

Electro-positive , noun

(Chemistry & Physics) A body which passes to the negative pole in electrolysis.