英语词汇“beta-hydroxy acid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

beta-hydroxy acid n. Chemistry an organic compound containing a carboxylic acid (—COOH) and a hydroxyl (—OH) group attached to immediately adjacent carbon atoms; esp. salicylic acid (2-hydroxybenzoic acid), used in skincare products as an exfoliant and cleansing agent; abbreviated BHA.

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1895 Technol. Q. 8 196 It is here shown that dihydroaminocampholytic acid..is decomposed by nitrous acid into a tertiary beta hydroxy acid, C₈H₁₄(OH)(CO₂H), and into campholytic acid.

1921 J. S. Chamberlain Textbk. Org. Chem. 242 When beta-hydroxy acids are heated alone, or with potassium hydroxide, water is lost from one molecule.

1995 Drug & Cosmetic Industry Feb. 16 Sisley..introduced a beta-hydroxy acid hydrating and line-smoothing cream after five years of research.

2014 Guardian (Nexis) 21 June (Weekend Suppl.) 65 Eight Hour is different in that it contains beta hydroxy acid, to de-flake lips and calm zits.

单词	beta-hydroxy acid
释义	> as lemmas beta-hydroxy acid beta-hydroxy acid n. Chemistry an organic compound containing a carboxylic acid (—COOH) and a hydroxyl (—OH) group attached to immediately adjacent carbon atoms; esp. salicylic acid (2-hydroxybenzoic acid), used in skincare products as an exfoliant and cleansing agent; abbreviated BHA. ΚΠ 1895 Technol. Q. 8 196 It is here shown that dihydroaminocampholytic acid..is decomposed by nitrous acid into a tertiary beta hydroxy acid, C₈H₁₄(OH)(CO₂H), and into campholytic acid. 1921 J. S. Chamberlain Textbk. Org. Chem. 242 When beta-hydroxy acids are heated alone, or with potassium hydroxide, water is lost from one molecule. 1995 Drug & Cosmetic Industry Feb. 16 Sisley..introduced a beta-hydroxy acid hydrating and line-smoothing cream after five years of research. 2014 Guardian (Nexis) 21 June (Weekend Suppl.) 65 Eight Hour is different in that it contains beta hydroxy acid, to de-flake lips and calm zits. extracted from betan. < as lemmas
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> as lemmas