(uncountable) The branch of natural science that deals with the composition and constitution of substances and the changes that they undergo as a consequence of alterations in the constitution of their molecules.

plural of chemistry

(informal, chemistry) Any chemical process or technique that is relatively low-tech, and does not require specialist equipment or skills, or precise measurement or control.

(physics, chemistry) The study of the chemical changes that result from the absorption of ionizing radiation.

(pathology) Branch of pathology concerned with the chemical analysis of bodily fluids etc.

(mathematics, chemistry) The use of computation to predict the structure, properties and reactions of molecules

(chemistry) The chemistry of the elements (including carbon), and those compounds that do not contain carbon.

(chemistry) The chemistry of organic compounds (that is, chemical compounds with carbon atoms in a covalent bond).

(chemistry) A philosophy of chemistry in which substances are generated quickly and reliably by joining small modular units together, as in nature.

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