The Collaborative International Dictionary
Spectroscopically
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.
Wiktionary
spectroscopically
adv. 1 By means of a spectroscope 2 By the analysis of spectra
Usage examples of "spectroscopically".
Astronomers can spectroscopically identify a vast supergiant star which moves alternately nearer to and farther from Earth every few days.
Astronomers can spectroscopically identify a vast supergiant star which moves alternately nearer to and farther from Earth every few days.