reduced Planck constant — An Etymological Dictionary of Astronomy and Astrophysics

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.

See also: Reduced, p.p. of → reduce; → Planck’s constant.

An Etymological Dictionary of Astronomy and Astrophysics