refractometer

[ ree-frak-tom-i-ter ]

Phonetic (Standard)IPA

noun

, Optics.

refractometer

/ rɪˌfræktəˈmɛtrɪk; ˌriːfrækˈtɒmɪtə /

First recorded in 1875–80; refract + -o- + -meter

The index of refraction of the above solution may be taken with the Zeiss immersion refractometer or with the Abbe refractometer.

The Herbert-Smith refractometer is there described fully, its principle is explained and directions for using it are given.

Lacking a refractometer, the widely differing specific gravities of the two minerals would easily serve to distinguish them.

Browse