Teinoscope
Pronunciation : Tei"no*scope
Part of Speech : n.
Etymology : [Gr. -scope.] (Physics)
Definition : Defn: An instrument formed by combining prisms so as to correct the chromatic aberration of the light while linear dimensions of objects seen through the prisms are increased or diminished; -- called also prism telescope. Sir D. Brewster.
Source : Webster's Unabridged Dictionary, 1913