constant constant quantity invariable | a quantity that does not vary |
law of constant proportion law of definite proportions | (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight |
typewriter font constant-width font fixed-width font monospaced font | a typeface is which each character is given the same width (as by a typewriter) |
Lambert Constant Lambert Leonard Constant Lambert | English composer and conductor (-) |
constant | a number representing a quantity assumed to have a fixed value in a specified mathematical context, the velocity of light is a constant |
Boltzmann's constant | constant used in the calculation of the ideal gas constant |
cosmological constant | an arbitrary constant in the equations of general relativity theory |
equilibrium constant | (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) |
dissociation constant | the equilibrium constant for a reversible dissociation |
gas constant universal gas constant R | (physics) the universal constant in the gas equation: pressure times volume R times temperature, equal to . joules per kelvin per mole |
gravitational constant universal gravitational constant constant of gravitation G | (physics) the universal constant relating force to mass and distance in Newton's law of gravitation |
Hubble's constant Hubble constant Hubble's parameter Hubble parameter | (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 |
Planck's constant h | the constant of proportionality relating the energy of a photon to its frequency, approximately . x ^- joule-second |
factor of proportionality constant of proportionality | the constant value of the ratio of two proportional quantities x and y, usually written y kx, where k is the factor of proportionality |
rydberg rydberg constant rydberg unit | a wave number characteristic of the wave spectrum of each element |
time constant | the ratio of the inductance of a circuit in henries to its resistance in ohms |
time constant | (electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately per cent of its amplitude |
solar constant | the rate at which radiant solar energy is received at the outer layer of the earth's atmosphere |
constant | steadfast in purpose or devotion or affection, a man constant in adherence to his ideals, a constant lover, constant as the northern star |
ceaseless constant incessant never-ending perpetual unceasing unremitting | uninterrupted in time and indefinitely long continuing, the ceaseless thunder of surf, in constant pain, night and day we live with the incessant noise of the city, the never-ending search for happiness, the perpetual struggle to maintain standards in a democracy, man's unceasing warfare with drought and isolation, unremitting demands of hunger |
changeless constant invariant unvarying | unvarying in nature, maintained a constant temperature, principles of unvarying validity |