rationalist /ˈræʃənəlɪst/

• 1. 

  ADJ If you describe someone as rationalist, you mean that their beliefs are based on reason and logic rather than emotion or religion. (人) 理性主义的; 唯理论的

  例：

  White was both visionary and rationalist.

  怀特既有远见又有理性。

• 2. 

  N-COUNT If you describe someone as a rationalist, you mean that they base their life on rationalist beliefs. 理性主义者; 唯理论者

  例：

  ...the rationalists and scientists of the nineteenth century.

  …19世纪的理性主义者和科学家们。