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fundamental constant

n. 1 (context physics English) any of a set of physical quantities that play a fundamental role in basic theories 2 (context physics English) A physical quantity that is not a function of other constants, such as Π (pi), C (light speed), etc. The smallest common denominators of physics, and the parameters or dimensions for the 'position' of our universe in the .

Wikipedia
Fundamental constant

In physics, the term fundamental constant may refer to:

  • any physical constant taken to express a fundamental physical law
  • more specifically, any dimensionless physical constant

Usage examples of "fundamental constant".

It is a new fundamental constant, a distance that I calculate to be about three million paces.

As I mentioned in my last essay, special relativity starts out with the overriding principle that the speed of light is a fundamental constant, no matter how you measure it, and ends up by predicting some pretty strange effects on space and time.

Maxwell's four equations convinced him that the speed of light was a fundamental constant of nature, and the Michelson-Morley experiment convinced him that it must not vary no matter what frame of reference you measure it in.

If you remember, my reputation-in my former self I mean-rested on the assumption that the speed of light was a fundamental constant, subject,”.