— equipollence, equipollency , n. — equipollently , adv.
/ee'kweuh pol"euhnt, ek'weuh-/ , adj.
1. equal in power, effect, etc.; equivalent.
2. Logic. (of propositions, propositional forms, etc.) logically equivalent in any of various specified ways.
n.
3. an equivalent.
[ 1375-1425; late ME aequipollent- (s. of aequipollens ) of equal value, equiv. to aequi- EQUI- + pollent- (s. of pollens ) able, prp. of pollere to be strong ]