dirac constant

Di·rac con·stant

D d

Definitions of dirac constant words

noun dirac constant a constant used in quantum mechanics, equal to the Planck constant divided by 2π. It has a value of 1.054571596±0.000000078 × 10–34 joule seconds 0
noun dirac constant (physics) Planck's constant divided by 2π, symbolized ħ. 0

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A common word. It’s meaning is known to most children of preschool age. About 85% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

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