dispersometer

English

Etymology

From disperse +‎ -o- +‎ -meter.

Noun

dispersometer (plural dispersometers)

1. (physics) A device that measures optical dispersion.
   • 1969 January 15, Hans J. Liebe, Thomas A. Dillon, “Accurate Foreign‐Gas‐Broadening Parameters of the 22‐GHz H₂O Line from Refraction Spectroscopy”, in The Journal of Chemical Physics, volume 50, number 2, →DOI, page 728:

     We describe a simple experimental method for determining the broadening efficiencies, m_i, of nonresonant foreign gas using a microwave dispersometer (differential refractometer).⁹ The measurements are made in two steps.