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TOEFL IELTS BNC: 1597 COCA: 3238

acid

Word family
Related topics: Chemistry, Drug culture
ac·id1 /ˈæsɪd/ ●●○ W3 noun  
1 [countableC, uncountableU]HC a chemical substance that has a pH of less than 7. Strong acids can burn holes in material or damage your skin 酸〔一种化学物质〕
 sulphuric acid
硫酸
2. MDD[uncountableU] informal the drug LSD 迷幻药〔麦角酰二乙胺〕
Examples from the Corpus
Related topics: Tastes
acid2 adjectiveadj  
1 CThaving a sharp sour taste 酸的,酸味的 SYN bitter
 a juicy apple with a slightly acid flavour
一个多汁、略带酸味的苹果
2 acid remark/comment/tone etc CRITICIZEan acid remark uses humour in an unkind way to criticize someone 尖酸刻薄的话/评论/口吻等
 I was expecting another of his acid remarks, but he remained silent.
我等着他再说一句刻薄的话,但他不吭声了。
3 the acid test PROVEa way of finding out whether something is as good as people say it is, whether it works, or whether it is true 决定性的考验
 People ask if the team is good enough. This match will be the acid test.
人们问这支球队是不是够好,经过这场比赛的考验就可见分晓。
Examples from the Corpus
4 technicalTAS an acid soil does not contain much lime1(3) 〔土壤〕酸性的
 Blueberry bushes need a very acid soil.
蓝莓的生长需要强酸性土壤。
acidity /əˈsɪdəti/ noun [uncountableU]
Examples from the Corpus
Origin acid2
(1600-1700) French acide, from Latin acidus, from acere to be sour
ac·id1 nounacid2 adjectiveadj
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