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.

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

(pathology) clinical chemistry.

(physics, chemistry) The identities, and relative numbers, of the elements that make up any particular compound

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

The application of a mild caustic substance to the skin in order to remove blemishes.

(chemistry) The net potential energy liberated or absorbed during the course of a chemical reaction

(chemistry) An industrial facility used to manufacture chemical compounds.

A field of study that embraces both chemistry and biology.

(medicine) peritonitis which results from the escape of the contents of the digestive tract into the peritoneum