Part of speech:


Part of speech: noun

An optical instrument for forming and analyzing the spectra of the rays emitted by various substances.

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Usage examples "spectroscope":

  1. Kennedy fingered the now set impressions, then resumed: Before I answer that question, what else does the spectroscope show? - "The Dream Doctor", Arthur B. Reeve.
  2. Canteens filled with water; a couple of emergency rations, a few instruments, including a small spectroscope, a selection from the medical kit- all these packed in a little haversack which he threw over his broad shoulders. - "The Metal Monster", A. Merritt.
  3. Here, then, is a system in which we know the sun and an enormous planet, whose revolution is effected in sixty- nine hours with extreme rapidity, as measured by the spectroscope. - "Astronomy for Amateurs", Camille Flammarion.