| Definitions from the WebSpectrum LineA spectrum line refers to a specific wavelength or frequency in the electromagnetic spectrum that corresponds to a certain color. It is often used in various scientific fields to identify and study different elements, compounds, or substances. Sample Sentences:
  The spectrum line of hydrogen appears as a bright red color.The scientist analyzed the spectrum line of the unknown substance to determine its chemical composition.By examining the spectrum lines of distant stars, astronomers can gather information about their composition. Possible Related Products on Amazon: |