Electro-positive

a. 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. [ 1913 Webster ]

☞ An element that is electro-positive in one compound may be electro-negative in another, and vice versa. [ 1913 Webster ]

2. (Chem.) Hence: Positive; metallic; basic; -- distinguished from negative, nonmetallic, or acid. [ 1913 Webster ]