[f. L. lūmin-, lūmen light + -OLOGIST.]
1. One who studies the luminescent phenomena in living organisms.
1888. Nature, 1 March, 411/1. Luminologists such as Giglioli, Dubois, and others.
¶ 2. One versed in the study of illuminations of manuscripts. rare–0.
1890. in Century Dict. (with quot. of sense 1).
