A toilet or chamber pot which treats waste in place with chemical disinfectants and deodorizers, as in airplane lavatories.

All the methods and procedures involved in defending against attack by chemical agents.

A noxious substance contained in some form of delivery system such as a shell or missile.

plural of chemical element

A fume hood

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

(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.