High frequency
DEFINITION
Fast vibrations that make a tone of high pitch. HITCH PIN of a piano, a metal pin inserted correctly in the frame to hold one end of a string; the other end is attached to a tuning pin.
Fast vibrations that make a tone of high pitch. HITCH PIN of a piano, a metal pin inserted correctly in the frame to hold one end of a string; the other end is attached to a tuning pin.