the study of the effects of chemical compounds on the interactions of living organisms

plural of chemical engine

(historical, 19th century, firefighting) A large cart-mounted fire extinguisher using caustic chemical-extinguishing chemicals.

under the influence, intoxicated

plural of chemical equation

(biochemistry, biology) a research method using small molecule inhibitors known to target specific proteins to examine the role of those specific proteins in biological (typically biochemical) processes

plural of chemical symbol

Any explosive device that releases a noxious chemical compound (such as chlorine) upon detonation.

plural of chemical engineer

(chemistry) Any substance formed by the union of two or more chemical elements in a fixed ratio, the union being a chemical bond. / (informal, proscribed) Any single substance, either compound or element