Từ điển trực tuyến - Online Dictionary
chemical
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English - Vietnamese Dictionary
chemical /'kemikəl/
  • tính từ
    • (thuộc) hoá học
      • chemical warfare: chiến tranh hoá học
Concise Dictionary
chemicals'kemɪkl
noun
+produced by or used in a reaction involving changes in atoms or molecules
adj.
+relating to or used in chemistry
+of or made from or using substances produced by or used in reactions involving atomic or molecular changes

Advanced English Dictionary
adjective, noun
+ adjective
1 connected with chemistry: a chemical element + the chemical industry
2 produced by or using processes which involve changes to atoms or MOLECULES: chemical reactions / processes
chemically adverb: The raw sewage is chemically treated.
+ noun
a substance obtained by or used in a chemical process: Farmers are being urged to reduce their use of chemicals and work with nature to combat pests.
Collocation Dictionary
noun

ADJ.

pure | organic | inorganic, synthetic | dangerous, harmful, hazardous, poisonous, toxic | agricultural, household, industrial

VERB + CHEMICAL

manufacture, produce | discharge, dump
chemicals discharged by industry into our lakes and rivers
| be exposed to
Many workers are regularly exposed to dangerous chemicals.

CHEMICAL + NOUN

factory, plant, works
pollution from a big chemicals plant
| business, company | industry, manufacturing



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