acid

noun

/ˈæsɪd/

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[uncountable, countable] (chemistry化学) a chemical, usually a liquid, that contains hydrogen and has a pH of less than seven. The hydrogen can be replaced by a metal to form a salt. Acids usually have a bitter sharp taste and can often burn holes in or damage things they touch.酸
- The acid burned a hole in her coat.她的外套被酸烧了一个洞。
- Stomach acids can break down the poison.胃酸能分解这种毒素。
- You will need a special chemical to neutralize the acid.你需要一种特殊的化学物质来中和这种酸。
compare alkali
Wordfinder
see also acetic acid, amino acid, boric acid, citric acid, fatty acid, folic acid, formic acid, hydrochloric acid, lactic acid, nitric acid, nucleic acid, sulphuric acidTopics Physics and chemistryb2
Oxford Collocations Dictionary
adjective
- concentrated
- strong
- dilute
- …
verb + acid
- produce
- neutralize
acid + verb
- burn something
- break something down
See full entry
[uncountable] (slang) a powerful illegal drug that affects people’s minds and makes them see and hear things that are not really there麦角酰二乙胺；迷幻药；致幻药 synonym LSD
- They smoke joints and drop acid.他们抽大麻烟卷，吸食迷幻药。
- He described the music as ‘Brahms on acid’.他称这种音乐为“服了迷幻药的勃拉姆斯”。
Oxford Collocations Dictionary
verb + acid
- drop
preposition
- on acid
See full entry

Word Originearly 17th cent. (in the sense ‘sour-tasting’): from Latin acidus, from acere ‘be sour’.

acid

adjective

/ˈæsɪd/

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(specialist) that contains acid or has the essential characteristics of an acid; that has a pH of less than seven酸的；酸性的
- Rye is tolerant of poor, acid soils.黑麦耐贫瘠的酸性土壤。
compare alkalineTopics Physics and chemistryc1
that has a bitter sharp taste酸的；酸味的 synonym sour
- acid fruit酸水果
- It’s a very juicy fruit with a slightly acid flavour.这种水果多汁，味道略酸。
Synonyms bitter
bitter
- pungent
- sour
- acrid
- sharp
- acid
These words all describe a strong, unpleasant taste or smell.
- bitter (of a taste or smell) strong and usually unpleasant; (of food or drink) having a bitter taste.指（味道或气味）强烈的、令人不适的，（食物或饮料）味苦的
- pungent (of a smell or taste) strong and usually unpleasant; (of food or smoke) having a pungent smell or taste:
  the pungent smell of burning rubber烧橡胶的刺鼻气味
- sour (of a taste) bitter like the taste of a lemon or of fruit that is not ready to eat; (of food or drink) having a sour taste:
  Too much pulp produces a sour wine.过多的果肉会让酒变酸。
- acrid (of a smell or taste) strong and unpleasant; (of smoke) having an acrid smell:
  acrid smoke from burning tyres燃烧轮胎产生的熏烟
- sharp (of a taste or smell) strong and slightly bitter; (of food or drink) having a sharp taste:
  The cheese has a distinctively sharp taste.这奶酪味道很冲。
- acid (of a taste or smell) bitter, like the taste of a lemon or of fruit that is not ready to eat; (of food or drink) having an acid taste.
which word?A bitter taste is usually unpleasant, but some people enjoy the bitter taste of coffee or chocolate. No other word can describe this taste. A sharp or pungent taste is more strong than unpleasant, especially when describing cheese. Sharp, sour and acid all describe the taste of a lemon or a fruit that is not ready to eat. An acrid smell is strong and unpleasant, especially the smell of smoke or burning, but not the smell of food.Patterns
- a(n) bitter/pungent/sour/acrid/sharp/acid taste/flavour
- a(n) bitter/pungent/acrid/sharp/acid smell/odour
- a(n) bitter/sour/sharp/acid fruit
- pungent/sharp cheese
- pungent/acrid smoke
(of a person’s remarks言辞) critical and unkind尖刻的；尖酸的 synonym sarcastic, cutting
- an acid wit尖刻的俏皮话
Topics Personal qualitiesc2