['taikizәm]
n.
[哲]偶成论(美国实用主义哲学主张,认为自然界的变化主要是偶然的结果)

Tychism \Ty"chism\, n. [Gr. ty`chh 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.
[Webster 1913 Suppl.]