Bible Dictionaries
Collimation

Webster's Dictionary

(n.) The act of collimating; the adjustment of the line of the sights, as the axial line of the telescope of an instrument, into its proper position relative to the other parts of the instrument.

Bibliography Information
Webster, Noah. Entry for 'Collimation'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/collimation.html. 1828.