tychism

noun ty·chism \ˈtīˌkizəm\

Definition of tychism

plural

-s

  1. 1 :  a theory that chance is an objective reality; especially :  a theory in evolution that variation may be purely fortuitous —contrasted with uniformitarianism

  2. 2 :  a proposition that absolute chance is operative in the cosmos

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 tychism

Greek tychē chance, fortune + English -ism; akin to Greek tychanein to happen, happen on, attain, teuchein to make, build — more at doughty


Seen and Heard

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

WORD OF THE DAY

feeling or affected by lethargy

Get Word of the Day daily email!