Lissajous figure
Noun
Meaning
Lissajous figure (plural Lissajous figures)
(mathematics) A plane curve traced by a point which executes two perpendicular independent harmonic motions, the frequencies of which are in a simple ratio.
Synonyms
Examples
The shape traced out in the x-y plane by the electric field vector is a Lissajous figure that describes the polarization state.