[f. SPECTROSCOPE sb. + -IST.] One who pursues researches with the spectroscope.
1866. Athenæum, 3 March, 304/3. The following will perhaps interest spectroscopists.
1879. Proctor, Pleas. Ways Sci., i. 8. [It] would not affect those rays sufficiently for the spectroscopist to recognize any diminution of their lustre.
1893. Sir R. Ball, Story of Sun, 195. The phenomenon known to spectroscopists as the reversal of the dark lines.
