principle

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principle

1. a rule or law concerning a natural phenomenon or the behaviour of a system
2. Chem a constituent of a substance that gives the substance its characteristics and behaviour

Principle

 

the basic initial assumption of any theory, teaching, science, world view, or political organization; an individual’s internal conviction, which determines his relationship to reality, behavioral norms, and activity; the basic characteristic of the structure of any mechanism or apparatus.

principle

[′prin·sə·pəl]
(science and technology)
A scientific law which is highly general or fundamental, and from which other laws are derived.
References in periodicals archive ?
The main active principles are mucilage, some tannins and vitamin C.
The fourth step was the discovery that the active principle was maximally insoluble in 95 percent alcohol.
McEwen proceeded to test six of the enzyme contaminants in commercially available hyaluronidase and discovered the active principle of beta-glucuronidase that is now used in EPD.
Engine system is indicated (items: angle encoder, is indicated for active principle piezo amplifiers, active piezo principle for gasoline engine pressure gauge, gas-powered engine pressure gauge)
The attacks on mosques in Sweden and the continuing protests being marshalled by Pegida, Germany's ultra-right Patriotic Europeans against the Islamisation of the West, refocus on the persistent paradox of an ultra-liberal Europe which, despite its attested will of multiculturalism, has failed to turn it into an active principle.
According to Pande, Cosmoperine, also known as tetrahydropiperine (THP), is derived from piperine, the active principle of black peppercorns (Piper nigrum), which acts as a penetration enhancer when added to water-soluble ingredients.
Anti-Candida potential of Acorus calamus rhizome and its active principle, [beta]-asarone, was evaluated against the human fungal pathogen, Candida albicans.
Moreover thymoquinone, the active principle of NSO inhibited the production of 5-LO products (IC(50): 0.
Comment: The results of this study suggest that curcumin (the active principle in turmeric) is beneficial in the treatment of HIV-associated diarrhea.
The efficacy of plant extracts is due to the presence of one or more biologically active principle.
Knowledge requires total receptivity (in Eckhart's terms, "nudity" and "passivity"), for precisely qua passive, the knower can achieve actual unity with the known, the active principle of knowledge.

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