What does wavenumber mean?
A measure of the number of waves per unit length, typically measured in units of reciprocal meters (m⁻¹). It is used to describe the frequency of a wave.
Example
"The wavenumber of the laser beam was measured to be 10,000 m⁻¹."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.