A tuning fork is a small metal instrument that produces a specific musical note when it is hit against a surface. It is often used to tune musical instruments or as a reference pitch for singers. Full definition
The use of tuning forks in the perfect 5th interval, one at each ear, produces an organized wave of expansion and contraction throughout the body. (healingtouchforanimals.com)
She is recognized as one of the leading experts in essential oils for animals and has also developed techniques which incorporate tuning forks for use in sound therapy. (healingtouchforanimals.com)
«The bees are turning themselves into living tuning forks,» he adds. (treehugger.com)