tychism
noun
ty·chism
ˈtīˌkizəm
plural -s
1
: a theory that chance is an objective reality
especially : a theory in evolution that variation may be purely fortuitous —contrasted with uniformitarianism
2
: a proposition that absolute chance is operative in the cosmos
Word History
Etymology
Greek tychē chance, fortune + English -ism; akin to Greek tychanein to happen, happen on, attain, teuchein to make, build