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An agent that produces chemical reactions. Classified under: Nouns denoting substances. Hypernyms (chemical agent is a kind of...): agent (a substance that exerts some force or effect) Hyponyms (each of the following is a kind of chemical agent): active; active agent (chemical agent capable of activity)
n. 1. (Chemistry) any substance used in or resulting from a reaction involving changes to atoms or molecules, especially one derived artificially for practical use. adj. 2. (Chemistry) of or used in chemistry: chemical balance. 3. (Chemistry) of, made from, or using chemicals: chemical fertilizer.(ËkÉm Éª kÉl). n. adj.. a substance produced by or used in chemistry. 2. chemicals, Slang. narcotic or mind-altering drugs or substances. 3. of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula. 4. used in chemical warfare: chemical weapons.