Webster’s Revised Unabridged Dictionary · 1913
Spectroscopy
Spec·tros′co·py, n. The production and investigation of spectra; the use of the spectroscope; also, the science of spectroscopic phenomena.
Webster’s Revised Unabridged Dictionary · 1913
Spec·tros′co·py, n. The production and investigation of spectra; the use of the spectroscope; also, the science of spectroscopic phenomena.