[ADJ 形容词]化学的；化学反应的；用化学方法生成的Chemical means involving or resulting from a reaction between two or more substances, or relating to the substances that something consists of.
[ADJ n]
...chemical reactions that cause ozone destruction.
导致臭氧受到破坏的化学反应
...the chemical composition of the ocean.
海洋的化学成分
...chemical weapons.
化学武器
chemically
...chemically treated foods...
用化学方法加工的食品
The medicine chemically affects your physiology.
这种药会通过化学作用影响生理机能。
2
[N-COUNT 可数名词]化学品；化合物；化学制品Chemicals are substances that are used in a chemical process or made by a chemical process.
[usu pl]
The whole food chain is affected by the overuse of chemicals in agriculture.
整个食物链因农业生产过程过多使用化学品而受到影响。
...a chemicals company.
化工公司
...the chemical industry.
化工行业
Oxford
chem·ical★AWL/ˈkemɪkl; NAmEˈkemɪkl/
adjective
,
noun
chemicalchemicalsadjective★1★connected with chemistry 与化学有关的；化学的◆a chemical element化学元素◆the chemical industry化学工业2★produced by or using processes which involve changes to atoms or molecules用化学方法制造的；化学作用的◆chemical reactions/processes化学反应╱过程▶chem·ic·al·lyAWL/ˈkemɪkli; NAmEˈkemɪkli/adverb◆The raw sewage is chemically treated.未经处理的污水要进行化学处理。noun★a substance obtained by or used in a chemical process 化学制品；化学品chem·ical/ˈkemɪkl; NAmEˈkemɪkl/chem·ic·al·ly/ˈkemɪkli; NAmEˈkemɪkli/
a substance used in chemistry or produced by a chemical processtoxic/hazardous/dangerous chemicals the organic chemicals industry synthetic chemicalsCOLLOCATIONSadjectivesdangerous/harmful· Many cleaning products contain chemicals that can be harmful.hazardous (=very dangerous)· There are major problems over the disposal of hazardous chemicals.toxic/poisonous (=containing poison)· The chemicals that were released were highly toxic.synthetic chemicals (=made by mixing artificial substances)· A synthetic chemical is, in theory, identical to that found in nature.organic chemicals (=containing natural substances including carbon)· Oil and coal are known as organic chemicals.industrial/agricultural chemicals (=used in industry/in farming)· Some deaths from cancer are related to industrial chemicals.verbsuse chemicals· Farmers use chemicals to kill insects that would destroy their crops.produce chemicals· the dangerous chemicals produced by burning oilbe exposed to chemicals· Some of the troops were exposed to chemicals.chemical + NOUNthe chemical industry· The chemical industry is one of the most important industrial sectors.a chemical plant (=factory producing chemicals)· There has been an explosion at a chemical plant in Germany.a chemical fertilizer (=chemicals to help plants grow)· Many crops are grown with chemical fertilizers.chemical waste· the risks from pollution and chemical wastechemical weapons (=poisonous chemicals used as weapons)· a global treaty banning chemical weaponschemical warfare (=the use of chemical weapons in wars)· There is now also the threat of chemical warfare.
chemical1 noun
chemical2 adjective
chemicalchemical2 ●●●W3AWL adjective [only before noun]
Word Origin
Examples
word sets
Collocations
Word family
relating to substances, the study of substances, or processes involving changes in substances: the chemical composition of bleach a chemical analysis of the soil—chemically /-kli/ adverb: Chemically, the substances are similar.
WDF
chemical
[ˈkemɪkl]
CET4CET6TEM4考研
n2633
13449
1854
787
5075
2493
3240
j2747
12619
2395
746
3938
2123
3417
NOUN2709
471306
ADJ3128
377245
Spoken:
220917367
chemicals[5674]
化学物(67%)，药品(18%)，化学的(15%)
n.化学制品，化学药品
adj.化学的
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