Physics

• law of thermodynamics

  (physics) a law governing the relations between states of energy in a closed...

• law of gravitation

  (physics) the law that states any two bodies attract each other with a force...

• Bose-Einstein statistics

  (physics) statistical law obeyed by a system of particles whose wave function...

• Dalton's law

  (chemistry and physics) law stating that the pressure exerted by a mixture of gases...

• Fermi-Dirac statistics

  (physics) law obeyed by a systems of particles whose wave function changes...

• Gay-Lussac's law

  (physics) the density of an ideal gas at constant pressure varies inversely with...

• Hooke's law

  (physics) the principle that (within the elastic limit) the stress applied to a solid...

• Kirchhoff's laws

  (physics) two laws governing electric networks in which steady currents flow: the...

• Planck's law

  (physics) the basis of quantum theory; the energy of electromagnetic waves is contained...

• Planck's radiation law

  (physics) an equation that expresses the distribution of energy in the radiated...

• principle of relativity

  (physics) a universal law that states that the laws of mechanics are not...

Chemistry

• distribution law

  (chemistry) the total energy in an assembly of molecules is not distributed equally...

• equilibrium law

  (chemistry) the principle that (at chemical equilibrium) in a reversible reaction...

• Henry's law

  (chemistry) law formulated by the English chemist William Henry; the amount of a gas...

• law of constant proportion

  (chemistry) law stating that every pure substance always contains the...

• law of equivalent proportions

  (chemistry) law stating that the proportions in which two elements...

• Dalton's law

  (chemistry) law stating that when two elements can combine to form more than one compound...

• law of mass action

  (chemistry) the law that states the following principle: the rate of a chemical...

• periodic law

  (chemistry) the principle that chemical properties of the elements are periodic functions...

Psychophysics

• Fechner's law

  (psychophysics) the concept that the magnitude of a subjective sensation increases...

• Stevens' law

  (psychophysics) the concept that the magnitude of a subjective sensation increases...

• Weber's law

  (psychophysics) the concept that a just-noticeable difference in a stimulus is proportional...

Astronomy

• Kepler's law

  (astronomy) one of three empirical laws of planetary motion stated by Johannes Kep...

• Hubble's law

  (astronomy) the generalization that the speed of recession of distant galaxies (the...

Also contains

• rule

  Or law concerning a natural phenomenon or the function of a complex system; "the principle...

• Newton's law of motion

  One of three basic laws of classical mechanics.

• Mendel's law

  (genetics) one of two principles of heredity formulated by Gregor Mendel on the basis...

• Bernoulli's law

  (statistics) law stating that a large number of items taken at random from a population...

• Ohm's law

  Electric current is directly proportional to voltage and inversely proportional to resistance;...

• Pascal's law

  Pressure applied anywhere to a body of fluid causes a force to be transmitted equally...

• Pauli exclusion principle

  No two electrons or protons or neutrons in a given system can be in states...

• law of effect

  (psychology) the principle that behaviors are selected by their consequences; behavior...

• Archimedes' principle

  (hydrostatics) the apparent loss in weight of a body immersed in a fluid is...

• all-or-none law

  (neurophysiology) a nerve impulse resulting from a weak stimulus is just as strong...

• Avogadro's law

  The principle that equal volumes of all gases (given the same temperature and pressure)...

• Benford's law

  A law used by auditors to identify fictitious populations of numbers; applies to any...

• Boyle's law

  The pressure of an ideal gas at constant temperature varies inversely with the volu...

• Coulomb's Law

  A fundamental principle of electrostatics; the force of attraction or repulsion between...

• law of averages

  A law affirming that in the long run probabilities will determine performance.

• law of diminishing returns

  A law affirming that to continue after a certain level of performance...