Principle — For the term in chemistry, see principle (chemistry). : Not to be confused with principal. A principle is an abstract object which signifies a point (or points) of probability on a subject (e.g., the principle of creativity), which allows for the … Wikipedia
principle — ► NOUN 1) a fundamental truth or proposition serving as the foundation for belief or action. 2) a rule or belief governing one s personal behaviour. 3) morally correct behaviour and attitudes. 4) a general scientific theorem or natural law. 5) a… … English terms dictionary
Chemistry — For other uses, see Chemistry (disambiguation). Chemistry is the science of atomic matter (that made of chemical elements), its properties, structure, comp … Wikipedia
chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… … Universalium
Chemistry (etymology) — In the history of science, the etymology of the word chemistry is a debatable issue. It is agreed that the word derives from the word alchemy, which is a European one, derived from the Arabic al kīmīā (الكيمياء). The Arabic term is derived from… … Wikipedia
principle — /ˈprɪnsəpəl / (say prinsuhpuhl) noun 1. an accepted or professed rule of action or conduct: a man of good principles. 2. a fundamental, primary, or general truth, on which other truths depend: the principles of government. 3. a fundamental… …
Principle of least motion — In organic chemistry, the principle of least motion is the hypothesis that when multiple species with different nuclear structures could theoretically form as products of a given chemical reaction, the more likely to form tends to be the one… … Wikipedia
principle — noun 1》 a fundamental truth or proposition serving as the foundation for belief or action. ↘a rule or belief governing one s personal behaviour. ↘morally correct behaviour and attitudes: a man of principle. 2》 a general scientific theorem … English new terms dictionary
chemistry — Natural Nat u*ral (?; 135), a. [OE. naturel, F. naturel, fr. L. naturalis, fr. natura. See {Nature}.] 1. Fixed or determined by nature; pertaining to the constitution of a thing; belonging to native character; according to nature; essential;… … The Collaborative International Dictionary of English
principle — 1. A general or fundamental doctrine or tenet. SEE ALSO: law, rule, theorem. 2. The essential ingredient in a substance, especially one that gives it its distinctive quality or effect. [L. principium, a beginning, fr. princeps, chief] active p. a … Medical dictionary
