Bible Dictionaries
Otheoscope

Webster's Dictionary

(n.) An instrument for exhibiting the repulsive action produced by light or heat in an exhausted vessel; a modification of the radoimeter.

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