constant

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constant

1. a specific quantity that is always invariable
2. 
a. Maths a symbol representing an unspecified number that remains invariable throughout a particular series of operations
b. Physics a theoretical or experimental quantity or property that is considered invariable throughout a particular series of calculations or experiments
3. See logical constant
http://physics.nist.gov/cuu/Constants/index.html

Constant

 

in prosody, a constant element in the rhythmic organization of verse; mainly, a constant stress on a certain syllable. Thus, in the verse of M. Iu. Lermontov’s narrative poem Mtsyri, the constant is the constant word boundary after each eighth syllable (boundary of the verse) and the constant stress on the last, eighth syllable of each segment.

Vse luchshe pered kem-nibúd’
Slovami oblegchit’ mne grúd;
No liudiam ia ne delal zlá,
I potomu moi delá
Ne mnogo pol’zy vain uznát’;
A dushu mozhno l’ rasskazát’? … 

Constant

 

a quality that has the same value throughout a given discussion. The constancy of the quality x can be expressed symbolically as x = const. Constants are often represented by the letters C and K.

constant

[′kän·stənt]
(science and technology)
A value that does not change during a particular process.

constant

In programming, a fixed value in a program. Minimum and maximum amounts, dates, prices, headlines and error messages are examples.
References in periodicals archive ?
The values of other fundamental constants are likewise unexplainable--all scientists can do is measure them.
2b, indentation data taken using a constant loading rate, P, is shown for poly (methyl methacrylate), whereas in Fig.
Therefore, when the deformation is a constant strain process, substitution of equation 3 into equation 2 to eliminate [[sigma].
Flambaum notes that variations in constants of nature as the cosmos evolves are part of some speculative theories of the universe, such as string theory, that call for dimensions beyond the familiar three of space plus one of time.
In this case, the contribution from the dashpot immediately jumps to a constant value while the contribution from the spring increases with increased strain.
While the team's analysis of the remaining data can't rule out extremely small variations of alpha, it suggests that the constant has not changed over the past 12 billion years, Petitjean says.
Rate constants for several reduction reactions also are lower in ionic liquids than in water or alcohols.
Recently the step curing and continuous curing techniques involving measurement of electrical properties like dielectric constant, loss factor, are also reported in the literature (refs.
These fundamental constants of nature include alpha, the gravitational constant, and the speed of light in a vacuum.
Improving accuracy is an important aim for experimentalists to pursue-only at the level that the units have been realized can one compare different experimental measurements of fundamental constants.
Diffusivity constants are sometimes determined using permeability tests.
No one has yet identified any link between this particular number and other known constants, such as the golden ratio.