释义 |
py·raz·o·lone \-ˌlōn\ noun (-s) Etymology: International Scientific Vocabulary pyrazole + -one 1. : any of three isomeric carbonyl compounds C3H4N2O derived from pyrazoline 2. : any of numerous derivatives of the pyrazolones some of which (as antipyrine) are used as analgesics and antipyretics and others (as 3-methyl-1-phenyl-5-pyrazolone) in making azo dyes and as developers |