(neurophysiology) a nerve impulse resulting from a weak stimulus is just as strong as a nerve impulse resulting from a strong stimulus (noun.cognition)
(statistics) law stating that a large number of items taken at random from a population will (on the average) have the population statistics (noun.cognition)
(physics) statistical law obeyed by a system of particles whose wave function is not changed when two particles are interchanged (the Pauli exclusion more..(physics) statistical law obeyed by a system of particles whose wave function is not changed when two particles are interchanged (the Pauli exclusion principle does not apply)(noun.cognition)
a fundamental principle of electrostatics; the force of attraction or repulsion between two charged particles is directly proportional to the product more..a fundamental principle of electrostatics; the force of attraction or repulsion between two charged particles is directly proportional to the product of the charges and inversely proportional to the distance between them; principle also holds for magnetic poles(noun.cognition)
(chemistry and physics) law stating that the pressure exerted by a mixture of gases equals the sum of the partial pressures of the gases in the mixtur more..(chemistry and physics) law stating that the pressure exerted by a mixture of gases equals the sum of the partial pressures of the gases in the mixture; the pressure of a gas in a mixture equals the pressure it would exert if it occupied the same volume alone at the same temperature(noun.cognition)
(chemistry) the total energy in an assembly of molecules is not distributed equally but is distributed around an average value according to a statisti more..(chemistry) the total energy in an assembly of molecules is not distributed equally but is distributed around an average value according to a statistical distribution(noun.cognition)
(chemistry) the principle that (at chemical equilibrium) in a reversible reaction the ratio of the rate of the forward reaction to the rate of the rev more..(chemistry) the principle that (at chemical equilibrium) in a reversible reaction the ratio of the rate of the forward reaction to the rate of the reverse reaction is a constant for that reaction(noun.cognition)
(psychophysics) the concept that the magnitude of a subjective sensation increases proportional to the logarithm of the stimulus intensity; based on e more..(psychophysics) the concept that the magnitude of a subjective sensation increases proportional to the logarithm of the stimulus intensity; based on early work by E. H. Weber(noun.cognition)
(physics) law obeyed by a systems of particles whose wave function changes when two particles are interchanged (the Pauli exclusion principle applies) (noun.cognition)
(chemistry) law formulated by the English chemist William Henry; the amount of a gas that will be absorbed by water increases as the gas pressure incr more..(chemistry) law formulated by the English chemist William Henry; the amount of a gas that will be absorbed by water increases as the gas pressure increases(noun.cognition)
(astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer (noun.cognition)
(physics) two laws governing electric networks in which steady currents flow: the sum of all the currents at a point is zero and the sum of the voltag more..(physics) two laws governing electric networks in which steady currents flow: the sum of all the currents at a point is zero and the sum of the voltage gains and drops around any closed circuit is zero(noun.cognition)
(psychology) the principle that behaviors are selected by their consequences; behavior having good consequences tends to be repeated whereas behavior more..(psychology) the principle that behaviors are selected by their consequences; behavior having good consequences tends to be repeated whereas behavior that leads to bad consequences is not repeated(noun.cognition)
(chemistry) law stating that the proportions in which two elements separately combine with a third element are also the proportions in which they comb more..(chemistry) law stating that the proportions in which two elements separately combine with a third element are also the proportions in which they combine together(noun.cognition)
(physics) the law that states any two bodies attract each other with a force that is directly proportional to the product of their masses and inversel more..(physics) the law that states any two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them(noun.cognition)
(chemistry) law stating that when two elements can combine to form more than one compound the amounts of one of them that combines with a fixed amount more..(chemistry) law stating that when two elements can combine to form more than one compound the amounts of one of them that combines with a fixed amount of the other will exhibit a simple multiple relation(noun.cognition)
(chemistry) the law that states the following principle: the rate of a chemical reaction is directly proportional to the molecular concentrations of t more..(chemistry) the law that states the following principle: the rate of a chemical reaction is directly proportional to the molecular concentrations of the reacting substances(noun.cognition)
(genetics) one of two principles of heredity formulated by Gregor Mendel on the basis of his experiments with plants; the principles were limited and more..(genetics) one of two principles of heredity formulated by Gregor Mendel on the basis of his experiments with plants; the principles were limited and modified by subsequent genetic research(noun.cognition)
pressure applied anywhere to a body of fluid causes a force to be transmitted equally in all directions; the force acts at right angles to any surface more..pressure applied anywhere to a body of fluid causes a force to be transmitted equally in all directions; the force acts at right angles to any surface in contact with the fluid(noun.cognition)
(physics) the basis of quantum theory; the energy of electromagnetic waves is contained in indivisible quanta that have to be radiated or absorbed as more..(physics) the basis of quantum theory; the energy of electromagnetic waves is contained in indivisible quanta that have to be radiated or absorbed as a whole; the magnitude is proportional to frequency where the constant of proportionality is given by Planck's constant(noun.cognition)
(physics) a universal law that states that the laws of mechanics are not affected by a uniform rectilinear motion of the system of coordinates to whic more..(physics) a universal law that states that the laws of mechanics are not affected by a uniform rectilinear motion of the system of coordinates to which they are referred(noun.cognition)
a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumsta more..a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena(noun.cognition)