D defs.my
Entry 1 sense Webster, 1913

Harmonometer

/(-nŏm"ē̇*tẽr)/ · Har·mo·nom·e·ter · IPA
01 n. An instrument for measuring the harmonic relations of sounds. It is often a monochord furnished with movable bridges.
  1. 1.
    An instrument for measuring the harmonic relations of sounds. It is often a monochord furnished with movable bridges.