Kelvin wave

Etymology
, the discoverer (1879).

Noun

 * 1)  A non-dispersive wave in the ocean or atmosphere that balances the Earth's Coriolis force against a topographic boundary such as a coastline, or a waveguide such as the equator.
 * 2) A long-scale perturbation mode of a vortex in superfluid dynamics.
 * 1) A long-scale perturbation mode of a vortex in superfluid dynamics.