Einstein law of photochemical equivalence

Definition of Einstein law of photochemical equivalence

  1. :  a law in quantum theory: each molecule activated in any photochemical process absorbs one photon of radiant energy — compare einstein 1

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of einstein law of photochemical equivalence

after Albert Einstein

Seen and Heard

What made you want to look up Einstein law of photochemical equivalence? Please tell us where you read or heard it (including the quote, if possible).


a trip made at another's expense

Get Word of the Day daily email!