chemical

noun

1. a substance produced by or used in a chemical process.
2. chemicals, Slang. narcotic or mind-altering drugs or substances.

adjective

3. of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula; chemical agents.
4. used in chemical warfare: chemical weapons.

noun

1. any substance used in or resulting from a reaction involving changes to atoms or molecules, especially one derived artificially for practical use

adjective

2. of or used in chemistrychemical balance
3. of, made from, or using chemicalschemical fertilizer

adj.

1570s, “relating to chemistry,” from chemic “of alchemy” (a worn-down derivative of Medieval Latin alchimicus; see alchemy) + -al (1). In early use also of alchemy. Related: Chemically.

n.

1747, from chemical (adj.). Related: Chemicals.

adj.

1. Of or relating to chemistry.
2. Of or relating to the properties or actions of chemicals.

n.

1. A substance with a distinct molecular composition that is produced by or used in a chemical process.
2. A drug, especially an illicit or addictive one.

Adjective

1. Relating to or produced by means of chemistry.

Noun

1. A substance having a specific molecular composition, obtained by or used in a chemical process.