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Ab·be refractometer | \ ˈäbə-, ˈabē- \
Definition of Abbe refractometer
: a refractometer in which the critical angle for total reflection at the interface of a film of a liquid between two similar glass prisms is utilized in determining the index of refraction
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Time Traveler for Abbe refractometer
The first known use of Abbe refractometer was in 1876
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