411 REFERENCE · Wiktionary
Abbe number
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From the name of Ernst Abbe, a German physicist.
Pronunciation
en /ˈɑ.bə ˈnʌm.bɚ/ /ˈæ.bi ˈnʌm.bɚ/ GenAm
Noun
A number that represents the reciprocal of the dispersive power of a substance with transparent qualities.
References
3
en eponyms