Definition of comparison spectrum
: a line spectrum of accurately known wavelengths that is matched wavelength for wavelength with another spectrum for calibration of the latter
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up comparison spectrum? Please tell us where you read or heard it (including the quote, if possible).