Meaning of CHEMICAL in English

CHEMICAL

/ ˈkemɪkl; NAmE / 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

►  chem·ic·al·ly / -kli; NAmE / adverb :

The raw sewage is chemically treated.

■ noun

a substance obtained by or used in a chemical process

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WORD ORIGIN

late 16th cent.: from French chimique or modern Latin chimicus , chymicus , from medieval Latin alchymicus , from alchimia , from Arabic al-kīmiyā' , from al the + kīmiyā' (from Greek khēmia , khēmeia art of transmuting metals).

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.