- Reaction, chemical
- A process in which one substance is transformed into another. Thousands of different types of chemical reactions occur in the body and are essential to its structure and function.
Medical dictionary. 2011.
Medical dictionary. 2011.
Chemical kinetics — Reaction rate tends to increase with concentration a phenomenon explained by collision theory. Chemical kinetics, also known as reaction kinetics, is the study of rates of chemical processes. Chemical kinetics includes investigations of how… … Wikipedia
Reaction–diffusion system — Reaction–diffusion systems are mathematical models which explain how the concentration of one or more substances distributed in space changes under the influence of two processes: local chemical reactions in which the substances are transformed… … Wikipedia
chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements … Universalium
Chemical equilibrium — In a chemical reaction, chemical equilibrium is the state in which the concentrations of the reactants and products have not yet changed with time. It occurs only in reversible reactions, and not in irreversible reactions. Usually, this state… … Wikipedia
Chemical affinity — In chemical physics and physical chemistry, chemical affinity is the electronic property by which dissimilar chemical species are capable of forming chemical compounds.[1] Chemical affinity can also refer to the tendency of an atom or compound to … Wikipedia
chemical reaction — noun (chemistry) a process in which one or more substances are changed into others (Freq. 1) there was a chemical reaction of the lime with the ground water • Syn: ↑reaction • Derivationally related forms: ↑react (for: ↑ … Useful english dictionary
Chemical laser — A chemical laser is a laser that obtains its energy from a chemical reaction. Chemical lasers can achieve continuous wave output with power reaching to megawatt levels. They are used in industry for cutting and drilling. Common examples of… … Wikipedia
chemical science — noun the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions • Syn: ↑chemistry • Derivationally related forms: ↑chemic (for: ↑chemistry), ↑chemist (for: ↑ … Useful english dictionary
reaction — reactional, adj. reactionally, adv. /ree ak sheuhn/, n. 1. a reverse movement or tendency; an action in a reverse direction or manner. 2. movement in the direction of political conservatism or extreme rightism. 3. action in response to some… … Universalium
chemical — chemically, adv. /kem i keuhl/, n. 1. a substance produced by or used in a chemical process. 2. chemicals, Slang. narcotic or mind altering drugs or substances. adj. 3. of, used in, produced by, or concerned with chemistry or chemicals: a… … Universalium