Meaning of “chemical” in the English Dictionary

"chemical" in British English

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chemicalnoun [ C ]

uk /ˈkem.ɪ.kəl/ us /ˈkem.ɪ.kəl/

chemicaladjective

uk /ˈkem.ɪ.kəl/ us /ˈkem.ɪ.kəl/

(Definition of “chemical” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"chemical" in American English

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chemicalnoun [ C ]

us /ˈkem·ɪ·kəl/

any basic substance that is used in or produced by a reaction involving changes to atoms or molecules:

His business manufactured farm chemicals.

chemicaladjective

us /ˈkem·ɪ·kəl/

of, involved with, relating to, or made by using chemicals or chemistry:

the chemical industry
a chemical plant producing plastics and rubber
chemically
adverb us /ˈkem·ɪk·li/

chemically treated paper

(Definition of “chemical” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"chemical" in Business English

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chemicalnoun [ C ]

uk /ˈkemɪkəl/ us

any basic substance which is used in or produced by a reaction involving changes to atoms or molecules:

The government has pledged to reduce the amount of chemicals used in food production.
Each year, factories release millions of tonnes of toxic chemicals into the atmosphere.

chemicaladjective

uk /ˈkemɪkəl/ us

relating to chemicals:

The chemical industry produces such things as petrochemicals, drugs, paint, and rubber.
chemically
adverb

(Definition of “chemical” from the Cambridge Business English Dictionary © Cambridge University Press)