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2017 Word of the Year

Abbe number

noun, Optics.
1.
the reciprocal of the dispersive power of a substance.
Also called nu-value, relative dispersion.
Origin of Abbe number
See origin at Abbe condenser
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Word Value for Abbe

8
10
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