the reciprocal of the dispersive power of a substance.
THE SEPTEMBER WORD OF THE DAY QUIZ HAS ARRIVED!
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Question 1 of 10
Which definition best describes “spang”?
Also called nu-value, relative dispersion.
Origin of Abbe number
see origin at Abbe condenser
Words nearby Abbe number
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020