Source : Webster's Revised Unabridged Dictionary (1913)

Electro-negative \E*lec`tro-neg"a*tive\, n. (Chem. & Physics)
   A body which passes to the positive pole in electrolysis.

Electro-negative \E*lec`tro-neg"a*tive\, a. (Chem. & Physics)
   (a) 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.
   (b) Negative; nonmetallic; acid; -- opposed to positive,
       metallic, or basic.