a. [f. L. lucerna lamp + -AL.] Pertaining to a lamp: only in lucernal microscope, a microscope in which the object is illuminated by a lamp or other artificial light.
1787. G. Adams, Ess. Microscope, 22. About the year 1774, I invented the improved lucernal microscope.
1839. G. Bird, Nat. Philos., 386. The magic-lantern being nothing more than a lucernal microscope of low magnifying power.
