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Pronunciation: re'frak-tom'e-ter

Definition: An instrument for measuring the degree of refraction in translucent substances, especially the ocular media.

See: refractive index

Synonym(s): objective optometer, refractionometer

[refraction + G. metron, measure]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.