subst. |
1. |
constant - a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant" |
|
|
number an item of merchandise offered for sale; "she preferred the black nylon number"; "this sweater is an all-wool number"
|
|
|
avogadro's number,
avogadro number the number of molecules in a mole of a substance (approximately 602,250,000,000,000,000,000,000)
|
|
|
boltzmann's constant constant used in the calculation of the ideal gas constant
|
|
|
coefficient a constant number that serves as a measure of some property or characteristic
|
|
|
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)
|
|
|
gas constant,
universal gas constant,
r (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
|
|
|
constant of gravitation,
gravitational constant,
universal gravitational constant,
g (physics) the universal constant relating force to mass and distance in Newton's law of gravitation
|
|
|
hubble's constant,
hubble's parameter,
hubble constant,
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
|
|
|
ionic charge the charge on an ion is equal to a constant charge e multiplied by an integer from 1 to 15
|
|
|
constant of proportionality,
factor 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
|
|
|
light speed,
speed of light,
c the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
|
2. |
constant - a quantity that does not vary |
|
|
invariable |
|
|
quantity an adequate or large amount; "he had a quantity of ammunition"
|
|
|
parametric quantity,
parameter a constant in the equation of a curve that can be varied to yield a family of similar curves
|
adjektiv |
1. |
constant - steadfast in purpose or devotion or affection; "a man constant in adherence to his ideals"; "a constant lover"; "constant as the northern star" |
|
|
inconstant likely to change frequently often without apparent or cogent reason; variable; "inconstant affections"; "an inconstant lover"; "swear not by...the inconstant moon"- Shakespeare
|
|
|
faithful steadfast in affection or allegiance; "years of faithful service"; "faithful employees"; "we do not doubt that England has a faithful patriot in the Lord Chancellor"
|
|
|
invariable not liable to or capable of change; "an invariable temperature"; "an invariable rule"; "his invariable courtesy"
|
|
|
stable maintaining equilibrium
|
|
|
unchangeable not changeable or subject to change; "a fixed and unchangeable part of the germ plasm"-Ashley Montagu; "the unchangeable seasons"; "one of the unchangeable facts of life"
|
|
|
constancy,
stability the quality of being enduring and free from change or variation; "early mariners relied on the constancy of the trade winds"
|
|
|
staunch,
steadfast,
unswerving firm and dependable especially in loyalty; "a steadfast ally"; "a staunch defender of free speech"; "unswerving devotion"; "unswerving allegiance"
|
|
|
unflagging,
unfailing unceasing; "unfailing loyalty"; "unfailing good spirits"; "unflagging courtesy"
|