Webster’s Revised Unabridged Dictionary · 1913
Iriscope
I′ri·scope (ī′rĭ·skōp), n. [Iris + -scope.] A philosophical toy for exhibiting the prismatic tints by means of thin films.
Webster’s Revised Unabridged Dictionary · 1913
I′ri·scope (ī′rĭ·skōp), n. [Iris + -scope.] A philosophical toy for exhibiting the prismatic tints by means of thin films.