chemistry (kem´is-tre)

1. The science concerned with the atomic composition of substances, the elements and their interreactions, and the formation, decomposition, and properties of molecules. 2. The chemical properties of a substance. 3. Chemical processes. [G. chemeia, alchemy]
analytic c. the application of c. to the determination and detection of composition and identification of specific substances.
applied c. the application of the theories and principles of chemistry to practical purposes.
biological c. biochemistry
clinical c. 1. the c. of human health and disease; 2. c. in connection with the management of patients, as in a hospital laboratory.
ecological c. c. that concentrates on the effects of woman-made chemicals on the environment as well as the development of agents that are not harmful to the environment. 2. the study of the molecular interactions between species and between species and the environment.
epithermal c. so-called "hot atom" c.; the science concerned with the chemical reactions of recoil atoms and free radicals produced in low energy nuclear processes.
inorganic c. the science concerned with compounds not involving carbon-containing molecules.
macromolecular c. the c. of macromolecules (e.g., proteins, nucleic acids) and polymers (nylon, polyethylene, etc).
medical c. c. in its relation to pharmacy, physiology, or any science connected with medicine.
medicinal c. pharmaceutical c
nuclear c. the science concerned with the c. of nuclear reactions and processes.
organic c. that branch of c. concerned with covalently linked atoms, centering around carbon compounds of this type; originally, and still including, the c. of natural products.
pharmaceutical c. medicinal c. in its application to the analysis, development, preparation, and the manufacture of drugs.medicinal c., pharmacochemistry;
physiological c. biochemistry
radiation c. the science concerned with the effects of ionizing or nuclear radiation on chemical reactions or materials.
radiopharmaceutical c. the science concerned with the labeling of pharmaceuticals with radionuclides.
synthetic c. the formation or building up of complex compounds by uniting the more simple ones.


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