Meanings
nounPlanck unit (plural Planck units)
plural Planck units
- natural sciencesAny one of several natural units in a system originally proposed by Max Planck based on universal constants. Symbols for Planck units are the symbol for the physical quantity with a subscript P.
Origin
Named after Max Planck (1858-1947), German physicist.
Full word history & related roots →Translations
Dutch Planckdeeltje
- Planckdeeltjephysics
French unité de Planck
- unité de Planckphysics
German Planck-Einheit
- Planck-Einheitphysics
Hungarian Planck-egység
- Planck-egységphysics
Japanese プランク単位系
- プランク単位系 (puranku tan’ikei)physics
Korean 플랑크 단위계
- 플랑크 단위계 (peullangkeu danwigye)physics
Polish jednostka Plancka
- jednostka Planckaphysics
Swedish Planckenhet
- Planckenhetphysics
Cite this entry
APA
Planck unit. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Planck%20unit
MLA
“Planck unit.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Planck%20unit. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “Planck unit,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Planck%20unit.
Source: Planck unit on Wiktionary, CC BY-SA 4.0.