Artificial intelligent assistant

inflexity

inˈflexity Obs. rare—1.
  [f. L. inflex-us inflected + -ity, after flexity.]
  Of rays of light: The quality of being inflected: see inflect v. 2.

1797 Brougham in Phil. Trans. LXXXVII. 360 We may, therefore, say that the rays of light differ in degree of refrangity, reflexity, and flexity, comprehending inflexity and deflexity.

Oxford English Dictionary

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