(chemistry) any vessel designed to hold the compounds involved in a chemical reaction; a reaction vessel

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

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

(chemistry) All the various attractions between elements and compounds that lead to their reaction.

(chemistry) Any of the laws of nature that are relevant to chemistry.

(chemistry) any substance used to classify another, often by changing colour

(pathology) clinical chemistry.

Any compound that serves to transmit a message.

The study of the chemistry of the oceans.

A medical treatment using a anaphrodisiacal hormonal drug to inhibit the function of a man's testes, intended to have the same effect on the sex drive as surgical castration. It is typically used on sex offenders as a punishment and/or preventative measure, or on people wishing to undergo male-to-female transsexualism.