a. [See next and -LOGICAL.]
1. Pertaining to spectres or apparitions.
1802. Ann. Reg., Chron., 387/1. This man stated that he had lately arrived from the Continent and intended to exhibit before the public his deceptions in the spectrological art.
2. ‘Of or pertaining to spectrology; performed or determined by spectrology; as, spectrological analysis’ (1882 Imp. Dict.).
