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单词 cresol
释义 cresol Chem.|ˈkrɛsɒl|
Also cressol.
[f. cres- modification of initial part of creos-ote + -ol.]
An aromatic alcohol of the Benzene group (C7H8O), occurring along with carbolic acid in coal-tar and creosote.
There are three isomeric substances having this composition, distinguished as ortho-, meta-, and para-cresol.
1869Roscoe Elem. Chem. 413 Cressol, a crystallizable solid, homologous with phenol.1872Watts Dict. Chem. VI. 508 The red powder known in commerce as Victoria-yellow or Aniline-orange is a nearly pure salt of dinitro-cresol.
Hence ˈcresolene, C6H5CH3O, a product of coal-tar, related to carbolic acid, used to impregnate the air in sick-rooms, etc., with disinfecting fumes. creˈsotic a. in (ortho-, para-, meta-) cresotic acid (C8H8O3), obtained from the corresponding cresols.
1863–72Watts Dict. Chem. II. 106 Cresotic acid produces a deep violet colour with sesquichlorate of iron.
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