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constants Definition

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constants
noun(constant)
something invariable or unchanging: such as
constants
noun(constant)
a number that has a fixed value in a given situation or universally or that is characteristic of some substance or instrument
constants
noun(constant)
a number that is assumed not to change value in a given mathematical discussion
constants
noun(constant)
a constant term used in the relativistic equations for gravity to represent a repulsive force which may account in part for the rate of expansion of the universe
constants
noun(constant)
permittivity
constants
noun(constant)
a number that expresses the relationship between the amounts of products and reactants present at equilibrium in a reversible chemical reaction at a given temperature
constants
noun(constant)
a constant that is a measure of the kinetics of an enzyme reaction and that is equivalent to the concentration of substrate at which the reaction takes place at one half its maximum rate
constants
noun(constant)
a constant that gives the unvarying ratio of the energy of a quantum of radiation to its frequency and that has an approximate value of 6.626 × 10—34 J·s —symbol h
constants
noun(constant)
the quantity of radiant solar energy received at the outer layer of the earth's atmosphere that has a mean value of 1370 watts per square meter

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