An Etymological Dictionary of Astronomy and Astrophysics

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reduced Planck constant

پایای ِ پلانک ِ باز‌هازیده

pâyâ-ye Planck-e bâzhâzidé

Fr.: constante de Planck réduite

The → Planck constant divided by 2π and denoted ħ, pronounced h-bar. Also called the → Dirac constant.

Reduced, p.p. of → reduce; → Planck's constant.

An Etymological Dictionary of Astronomy and Astrophysics
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