otheoscope

English

Etymology

From Ancient Greek ὠθέω (ōthéō, “push”) +‎ -scope.

Noun

otheoscope (plural otheoscopes)

1. An instrument for exhibiting the repulsive action produced by light or heat in a vacuum; a modification of the radiometer.
   • 2008, William Hodson Brock, William Crookes (1832-1919) and the Commercialization of Science:

     In a generous gesture that soon turned sour, Crookes allowed Gimingham to make otheoscopes in his spare time and make a profit on them by selling them […]