From Longman Dictionary of Contemporary Englishspectroscopespec‧tro‧scope /ˈspektrəskəʊp $ -skoʊp/ noun [countable] HPan instrument used for forming and looking at spectra —spectroscopy /spekˈtrɒskəpi $ -ˈtrɑː-/ noun [uncountable] —spectroscopic /ˌspektrəˈskɒpɪk◂ $ -ˈskɑː-/ adjective
Examples from the Corpus
spectroscope• The bright solar surface is made up of gas at reasonably high pressure, so that in a spectroscope it yields a rainbow.• Just as a telescope collects light, so a spectroscope splits it up.Origin spectroscope (1800-1900) Latin spectrum ( → SPECTRUM) + English -scope (as in microscope) 