Bible Dictionaries
Eriometer

Webster's Dictionary

(n.) An instrument for measuring the diameters of minute particles or fibers, from the size of the colored rings produced by the diffraction of the light in which the objects are viewed.

Bibliography Information
Webster, Noah. Entry for 'Eriometer'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/eriometer.html. 1828.