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Lissajous figure

[lee-suh-zhoo, lee-suh-zhoo] /ˈli səˌʒu, ˌli səˈʒu/
noun, Physics.
1.
the series of plane curves traced by an object executing two mutually perpendicular harmonic motions.
Origin
1875-1880
1875-80; named after Jules A. Lissajous (1822-80), French physicist
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Lissajous figure

Lissajous figure

/ˈliːsəˌʒuː; ˌliːsəˈʒuː/
noun
1.
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
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
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