bi·​con·​di·​tion·​al ˌbī-kən-ˈdish-nəl How to pronounce biconditional (audio)
: a relation between two propositions that is true only when both propositions are simultaneously true or false see Truth Table

Word History

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of biconditional was in 1940

Dictionary Entries Near biconditional

Cite this Entry

“Biconditional.” Dictionary, Merriam-Webster, Accessed 29 Mar. 2023.

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