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constant

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
con·stant  (knstnt)
adj.
1. Continually occurring; persistent.
2. Regularly recurring: plagued by constant interruptions.
3. Unchanging in nature, value, or extent; invariable. See Synonyms at continual.
4. Steadfast in purpose, loyalty, or affection; faithful. See Synonyms at faithful.
n.
1. Something that is unchanging or invariable.
2.
a. A quantity assumed to have a fixed value in a specified mathematical context.
b. An experimental or theoretical condition, factor, or quantity that does not vary or that is regarded as invariant in specified circumstances.

[Middle English, from Old French, from Latin cnstns, cnstant-, present participle of cnstre, to stand firm : com-, intensive pref.; see com- + stre, to stand; see st- in Indo-European roots.]

constant·ly adv.

constant
Adjective
1. continuous: she has endured constant criticism, mockery and humiliation
2. unchanging: the average speed of the winds remained constant over this period
3. faithful
Noun
1. Maths, physics a quantity or number which remains invariable: the velocity of light is a constant
2. something that is unchanging [Latin constare to be steadfast]
constancy n
constantly adv

constant  (knstnt)
1. A quantity that is unknown but assumed to have a fixed value in a specified mathematical context.
2. A theoretical or experimental quantity, condition, or factor that does not vary in specified circumstances. Avogadro's number and Planck's constant are examples of constants.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.constant - a quantity that does not vary
quantity - the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable
parameter, parametric quantity - a constant in the equation of a curve that can be varied to yield a family of similar curves
2.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 - a concept of quantity involving zero and units; "every number has a unique position in the sequence"
Avogadro number, Avogadro's 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 constant, Hubble parameter, Hubble's constant, Hubble's 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
Adj.1.constant - unvarying in nature; "maintained a constant temperature"; "principles of unvarying validity"
invariable - not liable to or capable of change; "an invariable temperature"; "an invariable rule"; "his invariable courtesy"
2.constant - steadfast in purpose or devotion or affection; "a man constant in adherence to his ideals"; "a constant lover"; "constant as the northern star"
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"
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"
stable - resistant to change of position or condition; "a stable ladder"; "a stable peace"; "a stable relationship"; "stable prices"
invariable - not liable to or capable of change; "an invariable temperature"; "an invariable rule"; "his invariable courtesy"
inconstant - likely to change frequently often without apparent or cogent reason; variable; "inconstant affections"; "an inconstant lover"; "swear not by...the inconstant moon"- Shakespeare
3.constantconstant - 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"
continuous, uninterrupted - continuing in time or space without interruption; "a continuous rearrangement of electrons in the solar atoms results in the emission of light"- James Jeans; "a continuous bout of illness lasting six months"; "lived in continuous fear"; "a continuous row of warehouses"; "a continuous line has no gaps or breaks in it"; "moving midweek holidays to the nearest Monday or Friday allows uninterrupted work weeks"

constant
Translations
Spanish constant [ˈkɔnstənt] adj (gen) → constante (= loyal); leal, fiel
French constant [ˈkɔnstənt] adjconstant(e); incessant(e)
German constant [ˈkɔnstənt] adjdauernd, ständig;
(fixed) → konstant, gleichbleibend

Italian constant [ˈkɔnstənt] adjcostante; continuo/a

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washed from within by a constant radiancy of pure thoughts, and from without by a constant basking in the shine of every beautiful and noble and tender thing,--I thought it not unlikely that he might fulfil his dream.
A BRAZIER had a little Dog, which was a great favorite with his master, and his constant companion.
There may be truly said to be a constant struggle going on between, on the one hand, the tendency to reversion to a less modified state, as well as an innate tendency to further variability of all kinds, and, on the other hand, the power of steady selection to keep the breed true.
 
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