constant : Idioms & Phrases

Index

Absolute costant

  • (Math.), one whose value is absolutely the same under all cirumstanes, as the number 10, or any numeral.
Webster 1913

Arbitrary constant

  • an undetermined constant in a differential equation having the same value during all changes in the values of the variables.
Webster 1913

Arbitrary constant, Arbitrary function

  • (Math.), a quantity of function that is introduced into the solution of a problem, and to which any value or form may at will be given, so that the solution may be made to meet special requirements.
Webster 1913

boltzmann's constant

  • noun constant used in the calculation of the ideal gas constant
WordNet

constant lambert

  • noun English composer and conductor (1905-1951)
    Lambert; Constant Lambert.
WordNet

constant of gravitation

  • noun (physics) the universal constant relating force to mass and distance in Newton's law of gravitation
    gravitational constant; G; constant of gravitation.
WordNet

constant of proportionality

  • noun the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality
    factor of proportionality.
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constant quantity

  • noun a quantity that does not vary
    invariable; constant.
WordNet

constant-width font

  • noun a typeface is which each character is given the same width (as by a typewriter)
    typewriter font; monospaced font; fixed-width font.
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cosmological constant

  • noun an arbitrary constant in the equations of general relativity theory
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dissociation constant

  • noun the equilibrium constant for a reversible dissociation
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equilibrium constant

  • noun (chemistry) the ratio of concentrations when equilibrium is reached in a reversible reaction (when the rate of the forward reaction equals the rate of the reverse reaction)
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gas constant

  • noun (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
    R; gas constant.
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gravitational constant

  • noun (physics) the universal constant relating force to mass and distance in Newton's law of gravitation
    gravitational constant; G; constant of gravitation.
WordNet

hubble constant

  • noun (cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today
    Hubble constant; Hubble's parameter; Hubble parameter.
WordNet

hubble's constant

  • noun (cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today
    Hubble constant; Hubble's parameter; Hubble parameter.
WordNet

law of constant proportion

  • noun (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight
    law of definite proportions.
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leonard constant lambert

  • noun English composer and conductor (1905-1951)
    Lambert; Constant Lambert.
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planck's constant

  • noun the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
    h.
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rydberg constant

  • noun a wave number characteristic of the wave spectrum of each element
    rydberg; rydberg unit.
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solar constant

  • noun the rate at which radiant solar energy is received at the outer layer of the earth's atmosphere
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time constant

  • noun (electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its amplitude
  • noun the ratio of the inductance of a circuit in henries to its resistance in ohms
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universal gas constant

  • noun (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
    R; gas constant.
WordNet

universal gravitational constant

  • noun (physics) the universal constant relating force to mass and distance in Newton's law of gravitation
    gravitational constant; G; constant of gravitation.
WordNet