teinoscope

English

Etymology

Ancient Greek τείνω (teínō, “I extend”) + +‎ -scope.

Noun

teinoscope (plural teinoscopes)

1. 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

Synonyms

• prism telescope

References

• “teinoscope”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

Anagrams

• osteopenic