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refractivity

[ ree-frak-tiv-i-tee ]

noun

  1. the power to refract.


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Word History and Origins

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Example Sentences

In this case small temperature changes alter the refractivity of the liquid without appreciably affecting the quartz.

In air and other gases, at ordinary pressures, the dispersion is very small, because the refractivity is small.

Glasses can now be made differing considerably both in refractivity and dispersive power.

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