释义 |
polyhydric, a. Chem.|pɒlɪˈhaɪdrɪk| [f. poly- + hydric a.] Containing more than one hydroxyl group in the molecule.
1879Jrnl. Chem. Soc. XXXVI. 1033 The action of sulphuric monochloride on monhydric alcohols gives rise to ethereal sulphates.., and a similar reaction takes place with polyhydric alcohols. 1937Discovery Sept. 284/1 On this type of polyhydric phenol resin..a further..discovery has been made. 1946Nature 3 Aug. 155/2 Manganese dioxide is reduced with great ease to form divalent manganese ion by..polyhydric phenols such as quinol, catechol, gallic acid, etc. 1951I. L. Finar Org. Chem. I. xi. 208 The polyhydric alcohols chemically resemble glycerol in many ways. 1972Materials & Technol. V. ix. 266 The epoxy resins differ from most of the other polyhydric alcohols in that they are polymeric. |