oxy-fattyadj.
/ˌɒksɪˈfati/, U.S. /ˌɑksiˈfædi/ Chemistry. Now rare.
Designating a fatty acid with one or more hydroxyl groups in its molecule. Cf. oxyacid n. 2.
ΚΠ
1877 H. Watts Fownes's Man. Elem. Chem. (ed. 12) II. 317 These acids are called lactic acids, after the most important member of the series, and oxy-fatty acids, because they may be derived from the acids CnH2nO2 by the substitution of OH for H; thus: CH3.CO2H Acetic acid CH2OH — CO2H Oxyacetic acid.
1890 Amer. Naturalist 24 258 The vegetable acids fall into several groups, viz.: The fatty acids (acetic, butyric, etc.), and the oxyfatty acids (glycollic, lactic), both of which are monobasic.
1929 Industr. & Engin. Chem. 21 215/2 In studying the hydrolysis of esters of oxy-fatty acids..he finds [etc.].
1955 Bot. Gaz. 117 55/2 A chemical study of cutin..showed it to be a complex mixture of fatty substances consisting primarily of free fatty acids (normal and oxy-fatty acids), fatty acids combined with monohydric alcohols, and soaps.
This is a new entry (OED Third Edition, March 2005; most recently modified version published online March 2022).
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adj.1877