Iridioscope
Pronunciation : I*rid"i*o*scope
Part of Speech : n.
Etymology : [See Iris, and -scope.]
Definition : Defn: A kind of ophthalmoscope.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder