ˈtīˌkizəm noun
( -s )
Etymology: Greek tychē chance, fortune + English -ism; akin to Greek tychanein to happen, happen on, attain, teuchein to make, build — more at doughty
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