释义 |
di·ni·tro·phenol \(ˌ)dī|nī.trō+\ noun Etymology: International Scientific Vocabulary dinitro- + phenol : any of six isomeric crystalline compounds (NO2)2C6H3OH formed by nitration of phenol or nitrophenols: as a. : the yellowish isomer formed as an intermediate step in making picric acid and used chiefly as an intermediate (as for sulfur dyes and photographic developers) — called also 2,4-dinitrophenol b. : a yellow commercial mixture usually of three of the isomers |