Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun obsolete, rare An instrument for compounding the resultant of two parallel, simple, harmonic waves.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

Examples

  • Acoustics were represented by an electro-magnetic brake siren of Mr. Bourbouze; Konig's apparatus for the synthesis of sounds; and Mr. S.P. Thompson's cymatograph -- a pendulum apparatus for demonstrating the phenomena of beats.

    Scientific American Supplement, No. 441, June 14, 1884.

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