echometer

English

Etymology

echo +‎ -meter

Noun

echometer (plural echometers)

  1. A graduated scale for measuring the duration of sounds and determining the relation of their intervals.
    • 1781, Jean-Jacques Rousseau, Essay on the Origin of Languages and Writings Related to Music:
      nothing would be more advantageous than the use of his general Echometer to determine precisely the duration of measures and of beats

Translations

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “echometer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)

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