fundamental constant

noun

1. a physical constant, such as the gravitational constant or speed of light, that plays a fundamental role in physics and chemistry and usually has an accurately known value

Example Sentences

These quantum phenomena depend on Planck's constant, the fundamental constant of nature that determines how the quantum world differs from our large-scale world, but in a simple way.

From Science Daily

Last year, a large collaboration co-chaired by El-Khadra brought together several teams of researchers—each specializing in one type of virtual particle—and published a ‘consensus’ value for the fundamental constant.

From Scientific American

Questions in biomedicine and the social sciences do not reduce cleanly to the determination of a fundamental constant of nature.

From Nature

Questions in biomedicine and in the social sciences do not reduce so cleanly to the determination of a fundamental constant of nature.

From Nature

Moreover, the technique measures pressure directly, using a fundamental constant of nature, meaning metrologists can derive the pascal without relying on previous measurements of other quantities, such as density, which the manometer depends on.

From Nature