'Spectroscopical' definitions:
Definition of 'spectroscopical'
From: WordNet
adjective
Of or relating to or involving spectroscopy; "spectroscopic analysis" [syn: spectroscopic, spectroscopical]
Definition of 'Spectroscopical'
From: GCIDE
- Spectroscopic \Spec`tro*scop"ic\, Spectroscopical \Spec`tro*scop"ic*al\, a. Of or pertaining to a spectroscope, or spectroscopy. -- {Spec`tro*scop"ic*al*ly}, adv. [1913 Webster]