Webster's Revised Unabridged Dictionary · 1913

Electro-negative

Electro-negative , adjective

1.
(Chemistry & Physics) Having the property of being attracted by an electro-positive body, or a tendency to pass to the positive pole in electrolysis, by the law that opposite electricities attract each other. Contrasted with neutral and electropositive
2.
Negative; nonmetallic; acidic; -- opposed to positive, metallic, or basic.
3.
(Physics) carrying a negative electrical charge.
4.
(Chemistry and Physics) having a tendency to take up electrons and form negative ions; having a relatively positive electrode potential.

Also: Electronegative

Electro-negative , noun

(Chemistry & Physics) A body which passes to the positive pole in electrolysis; an anion.