electro-positive

CIDE DICTIONARY

electro-positive, a. 

•  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.  [1913 Webster]

  " An element that is electro-positive in one compound may be electro-negative in another, and vice versa."  [1913 Webster]
•  Hence: Positive; metallic; basic; -- distinguished from negative, nonmetallic, or acid.  [1913 Webster]

electro-positive, n. 

 A body which passes to the negative pole in electrolysis.