adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of or pertaining to Max Planck (1858–1947), German physicist and founder of quantum theory. not-comparable
2. 2
   Relating to the Planck length or Planck time. not-comparable

Etymology

From Planck + -ian.

Related phrases

sub-Planckianplanck lengthplanck timequantum theory

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.