tunable >> ˈtjuːnəb(ə)l
Definition: [adjective] (of a musical instrument) able to be adjusted to the correct or uniform pitch.
Example: most of these old uprights aren't tunable
Definition: [adjective] (of a receiver circuit such as a radio or television) able to be adjusted to the frequency of the required signal.
Example: the radio is tunable to only a selected band of frequencies
Definition: [adjective] (of an engine or mechanical parts) able to be adjusted so that a vehicle runs smoothly and efficiently.
Example: this is a very tunable engine that can put out big power with a few mods
Definition: [adjective] able to be adjusted or adapted.
Example: two tunable lasers are used to modulate the amplitude