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equipollent

[ee-kwuh-pol-uh nt, ek-wuh-] /ˌi kwəˈpɒl ənt, ˌɛk wə-/
adjective
1.
equal in power, effect, etc.; equivalent.
2.
Logic. (of propositions, propositional forms, etc.) logically equivalent in any of various specified ways.
noun
3.
an equivalent.
Origin
late Middle English
1375-1425
1375-1425; late Middle English < Latin aequipollent- (stem of aequipollēns) of equal value, equivalent to aequi- equi- + pollent- (stem of pollēns) able, present participle of pollēre to be strong
Related forms
equipollence, equipollency, noun
equipollently, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for equipollency

equipollent

/ˌiːkwɪˈpɒlənt/
adjective
1.
equal or equivalent in significance, power, or effect
2.
(logic) (of two propositions) logically deducible from each other; equivalent
3.
(maths, logic) (of two classes) having the same cardinality
noun
4.
something that is equipollent
Derived Forms
equipollence, equipollency, noun
equipollently, adverb
Word Origin
C15: from Latin aequipollēns of equal importance, from equi- + pollēre to be able, be strong
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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