chemical
adjective
[ ˈkɛmɪk(ə)l ]
• relating to chemistry, or the interactions of substances as studied in chemistry.
• "the chemical composition of the atmosphere"
chemical
noun
• a distinct compound or substance, especially one which has been artificially prepared or purified.
• "never mix disinfectant with other chemicals"
Origin:
late 16th century: from French chimique or modern Latin chimicus, chymicus, from medieval Latin alchymicus, from alchimia (see alchemy).
