| 单词 | para-aminobenzoic acid |
| 释义 | para-aminobenzoic acid /par"euh euh mee'noh ben zoh"ik, -am'euh noh-/, Chem., Biochem. part of the folic acid molecule, a white or yellowish, crystalline, slightly water-soluble solid, C7H7NO2, the para isomer of aminobenzoic acid: used chiefly in the manufacture of dyes and pharmaceuticals and in sunscreens to protect against ultraviolet light. Abbr.: PABA [1905-10; PARA-1 + AMINO- + BENZOIC ACID] |
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