Law-of-areas



noun, Astronomy.
1.
See under .
noun, Astronomy.
1.
any one of three laws governing planetary motion: each planet revolves in an ellipse, with the sun at one focus; the line connecting a planet to the sun sweeps out equal areas in equal periods of time (law of areas) or the square of the period of revolution of each planet is proportional to the cube of the semimajor axis of the planet’s orbit (harmonic law)

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    noun 1. a statistical principle formulated by Jakob Bernoulli to show a more or less predictable ratio between the number of random trials of an event and its occurrences. 2. Informal. the principle that, in the long run, probability as naively conceived will operate and influence any one occurrence. noun 1. (popularly) the expectation that […]

  • Law of conservation

    law of conservation For the laws of conservation, see under conservation law.



  • Law-of-conservation-of-charge

    noun, Physics. 1. . noun, Physics. 1. the principle that the total electric charge of a system is constant. noun 1. the principle that the total charge of any isolated system is constant and independent of changes that take place within the system conservation of charge A conservation law stating that the total electric charge […]

  • Law-of-conservation-of-energy

    noun, Physics. 1. . noun, Physics. 1. the principle that in a system that does not undergo any force from outside the system, the amount of energy is constant, irrespective of its changes in form. noun 1. the principle that the total energy of any isolated system is constant and independent of any changes occurring […]



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