Lissajous figure

[ lee-suh-zhoo, lee-suh-zhoo ]
/ ˈli səˌʒu, ˌli səˈʒu /

noun Physics.

the series of plane curves traced by an object executing two mutually perpendicular harmonic motions.

Origin of Lissajous figure

1875–80; named after Jules A. Lissajous (1822–80), French physicist Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for lissajous figure

Lissajous figure

/ (ˈliːsəˌʒuː, ˌliːsəˈʒuː) /


a curve traced out by a point that undergoes two simple harmonic motions in mutually perpendicular directions. The shape of these curves is characteristic of the relative phases and frequencies of the motion; they are used to determine the frequencies and phases of alternating voltages

Word Origin for Lissajous figure

C19: named after Jules A. Lissajous (1822–80), French physicist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012