Unscramble

c 3 o 1 l 1 l 1 i 1 m 3 a 1 t 1 o 1 r 1 s 1

11 letters · 15 points in Scrabble

Meaning

noun a small telescope attached to a large telescope to use in setting the line of the larger one

noun optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam

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