Definition of Constant. Meaning of Constant. Synonyms of Constant
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Definition of Constant
ConstantConstant Con"stant, n.
1. (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.
2. (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.
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
Constant of integration (Math.), an undetermined constant
added to every result of integration.
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. --Young. ConstantConstant Con"stant, a. [L. onstans, -antis, p. pr. of constare
to stand firm, to be consistent; con- + stare to stand: cf.
F. constant. See Stand and cf. Cost, v. t.]
1. Firm; solid; fixed; immovable; -- opposed to fluid. [Obs.]
If . . . you mix them, you may turn these two fluid
liquors into a constant body. --Boyle.
2. Not liable, or given, to change; permanent; regular;
continuous; continually recurring; steadfast; faithful;
Both loving one fair maid, they yet remained
constant friends. --Sir P.
I am constant to my purposes. --Shak.
His gifts, his constant ourtship, nothing gained.
Onward the constant current sweeps. --Longfellow.
3. (Math. & Physics) Remaining unchanged or invariable, as a
quantity, force, law, etc.
4. Consistent; logical. [Obs.] --Shak.
Syn: Fixed; steadfast; unchanging; permanent; unalterable;
immutable; invariable; perpetual; continual; resolute;
firm; unshaken; determined.
Usage: 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. ConstantConstant Con"stant, n.
1. That which is not subject to change; that which is
2. (Math.) A quantity that does not change its value; -- used
in countradistinction to variable.
Absolute constant (Math.), one whose value is absolutely
the same under all circumstances, as the number 10, or any
Arbitrary constant, an undetermined constant in a
differential equation having the same value during all
changes in the values of the variables.
Meaning of Constant from wikipedia
in Wiktionary, the free dictionary. Constant
or The Constant
(mathematics), a non-varying value Mathematical constant
- The Planck constant
, or Planck's constant
, is a fundamental physical constant
of foundational importance
mechanics. The constant gives
- The MRB constant
is a mathematical constant
, with decimal expansion
0.187859… (sequence A037077 in the OEIS). The constant
is named after
- The Boltzmann constant
(kB or k) is the proportionality factor
the average relative thermal energy
in a gas with the thermodynamic...
- The molar
as the gas constant
, or ideal
) is denoted
by the symbol
R or R. It is the molar...
- gravitational constant
as the universal gravitational constant
, the Newtonian constant
of gravitation, or the Cavendish gravitational constant
- cosmological constant
by the Gr**** capital letter
lambda: Λ), alternatively called
Einstein's cosmological constant
, is the constant
- "The Constant
" is the fifth episode
of the fourth season
of the American Broadcasting
Company's (ABC) serial drama television series
Lost, and the 77th...
- In physical
chemistry, the Faraday constant
by the symbol
F and sometimes stylized
as ℱ, is the electric charge
per mole of elementary
- The Avogadro constant
, commonly denoted
NA or L, is the ratio
of constituent particles
(usually molecules, atoms, or ions) in a...
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