adj.
relating to chemistry or chemicals.
▸relating to or denoting the use of poison gas or other chemicals as weapons of war.
n.
a distinct compound or substance, especially one which has been artificially prepared or purified.
▸an addictive drug.
Derivative
Etymology
C16: from Fr. chimique or mod. L. chimicus, chymicus, from med. L. alchymicus, from alchimia (see alchemy).