A tuning fork is a small metal instrument that produces a specific pitch when struck against a surface. It is commonly used in music to tune instruments, but also has other applications in science and medicine. There are many synonyms for the term, including diapason, pitchfork, tone generator, resonator, and frequency fork. Each of these terms refers to an instrument that generates a specific sound or frequency, and can be used for a variety of tasks, such as testing hearing or calibrating equipment. No matter the specific name for the instrument, a tuning fork serves an important purpose in multiple fields, ensuring accuracy and precision in sound and measurement.