aprotic

adjective
apro·​tic | \ (ˌ)ā-ˈprō-tik How to pronounce aprotic (audio) \

Definition of aprotic

of a solvent
: incapable of acting as a proton donor

First Known Use of aprotic

1931, in the meaning defined above

History and Etymology for aprotic

a- entry 2 + prot(on) + -ic entry 1

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The first known use of aprotic was in 1931

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readily or continually undergoing change

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