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positive crystal

0.02 sec.

positive crystal [′päz·əd·iv ′krist·əl]

(optics)

Uniaxial anisotropic crystal having the ordinary index of refraction greater than the extraordinary index.

Biaxial anisotropic crystal having the intermediate index of refraction beta closer in value to alpha, and withZthe acute bisectrix.

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positive birefringence
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Positive Deflection at 100 ms
positive degree
positive degree
positive degree

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