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单词 polyhydroxy
释义

polyhydroxyadj.

Brit. /ˌpɒlɪhʌɪˈdrɒksi/, U.S. /ˈˌpɑliˌ(h)aɪˈdrɑksi/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, hydroxy- comb. form.
Etymology: < poly- comb. form + hydroxy- comb. form. Compare earlier polyhydric adj. and later polyhydroxy- comb. form.
Chemistry.
Of a compound: containing two or more hydroxyl groups in the molecule. Cf. polyhydric adj.
ΚΠ
1895 J. M. Thomson & A. G. Bloxam Bloxam's Chem. (ed. 8) 587 (heading) Polyhydroxy-monobasic acids.
1913 Jrnl. Chem. Soc. 104 i. 1147 (heading) The spatial arrangement of the hydroxyl groups of polyhydroxy-compounds.
1945 Chem. & Engin. News 25 Sept. 1615/2 The polyurethanes..are produced by the reaction of polyisocyanates with polyhydroxy compounds such as polyesters.
1965 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. I. xiv. 545 A number of elements and compounds have the ability to form glasses. Examples include..many poly-hydroxy compounds, e.g. water, glycol and glycerol.
1995 Internat. Jrnl. Plant Sci. 156 496/2 Cryoprotectants, such as..the polyhydroxy alcohol mannitol.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

> see also

also refers to : polyhydroxy-comb. form
<
adj.1895
see also
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