Webster's Revised Unabridged Dictionary · 1913

Equipollent

Equipollent , adjective

[Latin aequipollens; aequus equal + pollens, -entis, present participle of pollere to be strong, able: compare French équipollent.]

1.
Having equal power or force; equivalent. — Bacon
2.
(Logic) Having equivalent signification and reach; expressing the same thing, but differently.