释义 |
phe·nol·sulfonic acid \| ̷ ̷ˌ ̷ ̷+-\ noun Etymology: phenolsulfonic International Scientific Vocabulary phenol + sulfonic : a sulfonic acid derived from phenol; especially : a crystalline monosulfonic acid HOC6H4SO3H (as the para isomer) used chiefly as an intermediate for dyes and pharmaceuticals |