Bible Dictionaries
Tychism

Webster's Dictionary

(n.) Any theory which conceives chance as an objective reality; esp., a theory of evolution which considers that variation may be purely fortuitous.

Bibliography Information
Webster, Noah. Entry for 'Tychism'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/tychism.html. 1828.