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prism

Pronunciation: prizm

Definition: A transparent solid with sides that converge at an angle, which deflects a ray of light toward the thickest portion (the base) and splits white light into its component colors; in spectacles, a prism corrects ocular muscle imbalance.

[G. prisma]

Further information

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

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