pyrrolidone

noun

pyr·​rol·​idone

-dōn

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

Etymology

International Scientific Vocabulary pyrrolidine + -one

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