abbe refractometer

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|physics}} An instrument used to measure the [[refractive index]] of a liquid, by utilizing the [[critical angle]] for total [[reflection]].<ref>{{R:MW3 1976|page=2}}</ref><ref>{{R:SOED5|page=3}}</ref>

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.