equipollent adjective & noun. [i:kwɪ'pɒl(ǝ)nt, ɛ-] LME.
[Old French equipolent (mod. équipollent) from Latin aequipollent- of equal value, formed as EQUI- + pollere be strong.]
A. adjective.
1. Possessing equal power, authority, effectiveness, validity, etc. LME.
■ W. S. Landor A maritime power..equipollent on the sea with France.

2. Identical in meaning or result; equivalent. L16.
b. Logic. Of a proposition etc.: expressing the same thing as another, but in a different way. M17.
b. noun. Something that has equal power, effect, significance, etc.; an equivalent. E17.

■ equipollently adverb M17.

[TahlilGaran] English Dictionary ▲