[f. as prec., after forms in -scopy, or ad. F. spectroscopie.] The art of using the spectroscope; that branch of science which involves the use of the spectroscope.
1870. W. Huggins, Manchester Lect., 36. This was the state of this newly-born science of Spectroscopy when in 1861 [etc.].
1881. M. L. Knapp, Coming Disasters, 17. The progress made within the last few years in spectroscopy.
