Eikonal is the German form of the Greek word εἰκών, meaning likeness, icon or image. It can refer to:
- Eikonal equation, a non-linear partial differential equation encountered in problems of wave propagation.
- Eikonal approximation, a method of approximation useful in wave scattering equations.
- Operation Eikonal, an operation conducted by the National Security Agency in collaboration with the Bundesnachrichtendienst
This disambiguation page lists articles associated with the title Eikonal.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: