monochord

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monochord

(mŏn′ō-kord) [″ + chorde, cord]
A single-string instrument used for testing upper tone audition.
References in periodicals archive ?
Pendulums in Radiesthesia detect vibrations in a way that is analogous to the monochord. In the Monochord, there is amplitude and wavelength as shown in Figure 13; in operating the pendulum, the same concept of amplitude and wavelength applies.
Certain commentators adopt an explanation advanced, and then retracted, by Paul Maas:(23) that the five and seven semipedes correspond to the five and seven semitones in the perfect fourth and fifth, being geometrically equal 'auf dem "Kanon" eines Monochords (oder dem Griffbrett einer Guitarre oder Geige) gemessen'.
In addition, in the Cursus mathematicus, ii (Sant Angelo, 1668), Caramuel describes the use of the musical line on the pantometer in tuning instruments, although his explanation is confused, for a diatonic monochord with Pythagorean intonation is included in the text, and the musical line in the illustration of the pantometer is divided chromatically according to a system that could correspond only to just intonation or a mean-tone temperament.(56)