Definition of tychism
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
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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
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