Chemical ( noun , adjective )

(As a noun)

Chemical ( noun )

1. A substance produced by or used in a chemical process.
2. A branch of science dealing with the composition and properties of substances, and the reactions by which they are produced or transformed.
3. A drug or medicinal preparation.

Origin:

From french 'chimique', from new latin 'chemicus', from medieval latin 'chymicus', from arabic 'kimiyāʼ' (alchemy).

Examples:

1. The chemical used in the experiment was highly reactive.
2. She studied chemical engineering at university.
3. The doctor prescribed a chemical to alleviate the symptoms of the disease.

(As an adjective)

Chemical ( adjective )

1. A substance produced by or used in a chemical process.
2. A branch of science dealing with the composition and properties of substances, and the reactions by which they are produced or transformed.
3. A drug or medicinal preparation.

Origin:

From french 'chimique', from new latin 'chemicus', from medieval latin 'chymicus', from arabic 'kimiyāʼ' (alchemy).

Examples:

1. The chemical used in the experiment was highly reactive.
2. She studied chemical engineering at university.
3. The doctor prescribed a chemical to alleviate the symptoms of the disease.