(chemistry, physics) The science that studies chemical processes and phenomena from the point of view of physics.

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.

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

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

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

The branch of engineering that deals with the design, construction and operation of industrial process plants, and the physical, chemical and biological processes to create substances or energy in a useful and economic form.

(medicine) an extreme sensitivity, or allergic reaction, to any of various chemical compounds present in the normal environment

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