释义 |
pyr·rol·idone \-dōn\ noun (-s) Etymology: International Scientific Vocabulary pyrrolidine + -one : 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 |