Planck

Pronunciation: /ˈplæŋk/

The English word “Planck” has 2 meanings listed here.

noun

Used attributively in the names of various units, formulae etc. first devised or worked on by the German physicist Max Planck (1858–1947), chiefly in the realm of quantum theory.
A Planck unit.

Borrowed from German Planck.

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