(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

A person who practises chemical engineering.

plural of chemical engineer

(chemistry) Any of a material's properties that becomes evident during a chemical reaction.

(historical) A heavy form of woman's nightwear, with a hole to allow for sexual intercourse with the minimum of physical contact.

(physiology) Any sensation produced when a chemical compound activates a particular receptor.

plural of chemical compound

(chemistry) The amount of substance per unit volume, per unit time transformed in a reaction

(chemistry) the application of chemical research techniques to the synthesis of pharmaceuticals

plural of chemical weapon