plural -s
: a crystalline or liquid lactam C4H7NO made by a series of steps using acetylene, formaldehyde, and ammonia and used chiefly in making polyvinylpyrrolidone; 2-pyrrolidin-one

called also 2-pyrrolidone

Word History


International Scientific Vocabulary pyrrolidine + -one

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Dictionary Entries Near pyrrolidone

Cite this Entry

“Pyrrolidone.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2024.

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