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Words related to principle
prin·ci·ple
P p -
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spirit
the principle of conscious life; the vital principle in humans, animating the body or mediating between body and soul. -
uncertainty principle
the principle of quantum mechanics, formulated by Heisenberg, that the accurate measurement of one of two related, observable quantities, as position and momentum or energy and time, produces uncertainties in the measurement of the other, such that the product of the uncertainties of both quantities is equal to or greater than h/ 2 π, where h equals Planck's constant. -
acceleration principle
the principle that an increase in the demand for a finished product will create a greater demand for capital goods. -
banking principle
the principle that bank notes are a form of credit and should be issued freely in order to maintain an elastic currency. -
correspondence principle
the principle that the laws of quantum mechanics and of any new theory that may be developed reduce to the laws of Newtonian mechanics and electromagnetic theory when applied to systems in which Planck's constant can be regarded as negligible, wavelengths are comparatively small, dimensions are relatively large, etc.