[ˈplɑŋkiən]

Definitions

1. adjective

relating to Max Planck or his theories, particularly the Planck constant.

“The physicist’s theory had a planckian impact on the field of quantum mechanics.”

2. noun

a measure of the black-body radiation in a given spectral range, typically in units of Planck’s constant.

“The scientists measured the planckian emission of the star at different wavelengths.”