Cymatograph

Pronunciation

• RP enPR: sÄ«măʹtōgräf; IPA: /saɪˈmætəʊɡɹɑːf/, /saɪˈmætəʊɡɹæf/

Origin

κῡμᾰτ- (kūmat-, the long stem of the Ancient Greek κῦμα, kūma, “wave”, whence cyma) + -graph; compare cymograph

Noun

noun

1. (obsolete, rare) An instrument for compound the resultant of two parallel, simple, harmonic wave.
• 1885, Nature XXXII,

• Prof. S. P. Thompson…had also lent for exhibition…a “cymatograph” (an instrument for compounding the resultant of two parallel, simple, harmonic waves).