Dictionary.com

Popular Searches

 Thesaurus.com

Planck, Max

Cultural  

  1. A German physicist of the late nineteenth and early twentieth centuries. Planck was one of the founders of quantum mechanics. (See Planck's constant.)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.