释义 |
carboxylic acid noun[ C or U ] chemistry specializeduk /kɑː.bɒkˌsɪl.ɪk ˈæs.ɪd/ us /kɑːr.bɑːkˌsɪl.ɪk ˈæs.ɪd/ an organic acid (= one containing carbon) that contains a carboxyl group, for example acetic acid or formic acid: 羧酸 Vinegar contains acetic acid, a carboxylic acid.食醋含有醋酸,是一种羧酸。 The group CO, in organic compounds, is found in aldehydes, ketones, carboxylic acids, esters, and amides. Ion exchange analysis shows that 40% of glucose is converted into short-chain carboxylic acids. In organic acids such as carboxylic acids only some of the hydrogen atoms are capable of forming ions. Avoid skin care preparations containing humectants such as glycerin, glycol, sodium pyrrolidone, propylene or carboxylic acid. SMART Vocabulary: related words and phrases Chemicals, chemical compounds & gases acetic acid acetone acrolein acrylamide activated charcoal adenine agglomerate ethyl alcohol H2O HCFC HFC hyaluronic acid hydrochloric acid hydrochlorofluorocarbon laughing gas limescale metho meths oxyacetylene tartaric acid |