Ty″chism (?), n. [Gr. τύχη fortune, chance + -ism.] Any theory which conceives chance as an objective reality; esp., a theory of evolution which considers that variation may be purely fortuitous.
Content
Rights and sources
Review source, license and attribution information for this content.
Content
Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.