WordReference Random House Unabridged Dictionary of American English © 2026
spec•trol•o•gy
(spek trol′ə jē),USA pronunciation n.
spec•tro•log•i•cal
(spek′trə loj′i kəl),USA pronunciation adj.
spec′tro•log′i•cal•ly, adv.
- the study of ghosts, phantoms, or apparitions.
- Latin spectr(um) specter + -o- + -logy
- 1810–20;