Definition of Lissajous figure in English:

Lissajous figure

Syllabification: Lis·sa·jous fig·ure
Pronunciation: /ˈlēsəˌZHo͞o, ˌlēsəˈZHo͞o
 
/

noun

Mathematics
  • Any of a number of characteristic looped or curved figures traced out by a point undergoing two independent simple harmonic motions at right angles with frequencies in a simple ratio.
    More example sentences
    • He obtained Lissajous figures by successively reflecting light from mirrors on two tuning forks vibrating at right angles.
    • The hare is constrained to hop along the path of a Lissajous figure.

Origin

late 19th century: named after Jules A. Lissajous (1822–80), French physicist.

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grotesque quality or grotesque things collectively