Noun
tuning fork (plural tuning forks)
(music) A fork-shaped object which emits a tone of a specific frequency when struck, producing a reference note for tuning instruments.
tuning-fork
And that because the moving parts are a million times smaller than the ones we're familiar with, they move a million times faster, just as a smaller tuning fork produces a higher pitch than a large one. K. Eric Drexler
We listen to the entrepreneur. We try to have a fine tuning fork to understand what they are saying and whether that makes sense and know it when we see it. We don't try to do too much predicting. David Sze
At one time, Washington actually meant something. But now, it's about as relevant as Bob Dylan's tuning fork. Dennis Miller
A change in frequency of one vibration in 21,000 for each °F (86 ppm per °C) change is typical for a steel tuning fork. Source: Internet
An oscillator crystal has two electrically conductive plates, with a slice or tuning fork of quartz crystal sandwiched between them. Source: Internet
A tuning fork produces a fixed tone when is applied to it—in that case, when it is struck. Source: Internet