Definitions for "Monochord"
An instrument for experimenting upon the mathematical relations of musical sounds. It consists of a single string stretched between two bridges, one or both of which are movable, and which stand upon a graduated rule for the purpose of readily changing and measuring the length of the part of the string between them.
vibrating string of a fixed length that, when divided into various equal parts (half, third, quarter, etc.), produces all of the pitches considered to have been consonant. Common way of music theorists to justify acoustically for the idea of consonance (which is subjective and evolutionary).
a musical and scientific instrument dating back to ancient human history