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单词 cresol
释义

cresoln.

/ˈkrɛsɒl/
Forms: Also cressol.
Etymology: < cres- modification of initial part of creos-ote + -ol suffix.
Chemistry.
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.
ΚΠ
1866 H. E. Roscoe Lessons Elem. Chem. xxxix. 338 Cressol, C7H7(HO), a crystallizable solid, homologous with phenol.
1872 H. Watts Dict. Chem. VI. 508 The red powder known in commerce as Victoria-yellow or Aniline-orange is a nearly pure salt of dinitro-cresol.

Derivatives

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ˈcresolene n. C6H5CH3O, a product of coal-tar, related to carbolic acid, used to impregnate the air in sickrooms, etc., with disinfecting fumes.
creˈsotic adj. in cresotic acid (also ortho-cresotic acid, para-cresotic acid, meta-cresotic acid) (C8H8O3) obtained from the corresponding cresols.
ΚΠ
1864 H. Watts Dict. Chem. II. 106 Cresotic acid produces a deep violet colour with sesquichloride of iron.
This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2022).
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n.1864
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