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a. & n. from Tune, v. Tuning fork (Mus.), a steel instrument consisting of two prongs and a handle, which, being struck, gives a certain fixed tone. It is used for tuning instruments, or for ascertaining the pitch of tunes.

A standard of pitch; a tuning fork; as, the French normal diapason.

erfect intonation which recognizes all the notes and intervals that result from the exact tuning of diatonic scales and their transposition into other keys.

Anything furcate or like of a fork in shape, or furcate at the extremity; as, a tuning fork.

A device for opening and closing an electrical circuit; a vibrating spring or tuning fork, arranged to make and break a circuit at rapidly recurring intervals, by the action of the current itself.

which has nine or ten frets or divisions, and the head, or cross, in which the screws for tuning are inserted. The strings are struck with the right hand, and with the left the stops are pressed.

of a variable inductance coil and condenser with a pair of adjustable spark balls, for attuning the time periods of antennæ in wireless telegraphy (called also syntonizing coil).

State of being adjusted to a certain wave length; agreement or tuning between the time period of an apparatus emitting electric oscillations and that of a receiving apparatus, esp. in wireless telegraphy.

A system of compromises in the tuning of organs, pianofortes, and the like, whereby the tones generated with the vibrations of a ground tone are mutually modified and in part canceled, until their number reduced to the actual practicable scale of twelve tones to the octave. This scale, although in so far artificial, is…

To make a tumult; to be in great commotion. [Obs.] Importuning and tumulting even to the fear of a revolt. Milton.

To form one sound to another; to form accordant musical sounds. Whilst tuning to the water's fall, The small birds sang to her. Drayton.