Bible Dictionaries
Spectroscopy

Webster's Dictionary

(1):

(n.) The use of the spectroscope; investigations made with the spectroscope.

(2):

(n.) The production and investigation of spectra; the use of the spectroscope; also, the science of spectroscopic phenomena.

Bibliography Information
Webster, Noah. Entry for 'Spectroscopy'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/spectroscopy.html. 1828.