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Constant   /kˈɑnstənt/   Listen
adjective
Constant  adj.  
1.
Firm; solid; fixed; immovable; opposed to fluid. (Obs.) "If... you mix them, you may turn these two fluid liquors into a constant body."
2.
Not liable, or given, to change; permanent; regular; continuous; continually recurring; steadfast; faithful; not fickle. Opposite of changeable and variable. "Both loving one fair maid, they yet remained constant friends." "I am constant to my purposes." "His gifts, his constant courtship, nothing gained." "Onward the constant current sweeps."
3.
(Math. & Physics) Remaining unchanged or invariable, as a quantity, force, law, etc.
4.
Consistent; logical. (Obs.)
Synonyms: Fixed; steadfast; unchanging; permanent; unalterable; immutable; invariable; perpetual; continual; resolute; firm; unshaken; determined. Constant, Continual, Perpetual. These words are sometimes used in an absolute and sometimes in a qualified sense. Constant denotes, in its absolute sense, unchangeably fixed; as, a constant mind or purpose. In its qualified sense, it marks something as a "standing" fact or occurence; as, liable to constant interruptions; constantly called for. Continual, in its absolute sense, coincides with continuous. See Continuous. In its qualified sense, it describes a thing as occuring in steady and rapid succession; as, a round of continual calls; continually changing. Perpetual denotes, in its absolute sense, what literally never ceases or comes to an end; as, perpetual motion. In its qualified sense, it is used hyperbolically, and denotes that which rarely ceases; as, perpetual disturbance; perpetual noise; perpetual intermeddling.


noun
Constant  n.  
1.
That which is not subject to change; that which is invariable.
2.
(Math.) A quantity that does not change its value; used in contradistinction to variable.
3.
(Astron.) A number whose value, when ascertained (as by observation) and substituted in a general mathematical formula expressing an astronomical law, completely determines that law and enables predictions to be made of its effect in particular cases.
4.
(Physics) A number expressing some property or condition of a substance or of an instrument of precision; as, the dielectric constant of quartz; the collimation constant of a transit instrument.
5.
(Computers) A data structure that does not change during the course of execution of a program. It may be a number, a string, or a more complex data structure; contrasted with variable.
Aberration constant, or Constant of aberration (Astron.), a number which by substitution in the general formula for aberration enables a prediction to be made of the effect of aberration on a star anywhere situated. Its value is 20".47.
Absolute constant (Math.), one whose value is absolutely the same under all circumstances, as the number 10, or any numeral.
Arbitrary constant, an undetermined constant in a differential equation having the same value during all changes in the values of the variables.
Gravitation constant (Physics), the acceleration per unit of time produced by the attraction of a unit of mass at unit distance. When this is known the acceleration produced at any distance can be calculated.
Solar constant (Astron.), the quantity of heat received by the earth from the sun in a unit of time. It is, on the C. G. S. system, 0.0417 small calories per square centimeter per second.
Constant of integration (Math.), an undetermined constant added to every result of integration.





Collaborative International Dictionary of English 0.48


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"Constant" Quotes from Famous Books



... of the argument: I submit that the circumstances of the so-called disappearance of the testator present nothing out of the ordinary. The testator is a man of ample means, without any responsibilities to fetter his movements and has been in the constant habit of travelling, often into remote and distant regions. The mere fact that he has been absent somewhat longer than usual affords no ground whatever for the drastic proceeding of presuming his death and taking ...
— The Vanishing Man • R. Austin Freeman
... mother she said, with the calmness of a settled purpose—"It will make a sad void in our desolate home, but God has opened your heart to her before she is left alone, and His goodness shall be my constant theme of gratitude; you will allow her to come to us every day while her poor father lives; his pains will be lightened by her presence, and 'twill comfort me to see the eyes that have beamed upon me these nine long years, more joyously beaming as ...
— The Elm Tree Tales • F. Irene Burge Smith
... opposed themselves to the inquiry after satisfactory information; among which, none have been more uncompromising than those experienced in acquiring a knowledge of the language; for, although we have been in constant communication with the natives, at present so little progress has been made, that our attempts in this respect may be said to have almost entirely proved abortive. We have, indeed, some reason to believe that the natives are desirous ...
— A Voyage Round the World, Vol. I (of ?) • James Holman
... a constant series of fine bold bluffs, mostly crowned with forest trees of great beauty, now dressed in that rich-coloured foliage so often lauded by poet and painter, but as yet, I fancy, never done full justice to. Scott and Turner, those inspired illustrators of nature, might have done this: as it is, ...
— Impressions of America - During The Years 1833, 1834, and 1835. In Two Volumes, Volume II. • Tyrone Power
... Viola's hitherto constant correspondence had ceased; I drew my own auguries, but I had to keep them to myself, for Harold started off the next day in renewed spirits, and I had Eustace on my hands in a very strange state, not choosing or deigning to suppose himself rejected, ...
— My Young Alcides - A Faded Photograph • Charlotte M. Yonge


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