Abbe number

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noun Optics.

the reciprocal of the dispersive power of a substance.

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Also called nu-value, relative dispersion.

Origin of Abbe number

see origin at Abbe condenser

Words nearby Abbe number

Abbasid, abbatial, abbé, Abbe condenser, abbed, Abbe number, abbess, Abbeville, Abbevillian, abbey, Abbey Theatre