monochord

monochord englanniksi

1. A instrument for experimenting with the mathematical relations of musical sounds, consisting of a single string stretched between two bridges, one or both of which can be moved, and which stand upon a graduated rule for the purpose of changing and measuring the length of the part of the string between them.

2. {{quote-text|en|year=1840|author=Elijah Coleman Bridgman; Samuel Wells Williams|title=The Chinese Repository|page=40

3. A instrument with only one string.

4. A note on a piano that has a single string.