fine-tune

[ fahyn-toon, -tyoon ]
/ ˈfaɪnˈtun, -ˈtyun /

verb (used with object), fine-tuned, fine-tun·ing.

to tune (a radio or television receiver) to produce the optimum reception for the desired station or channel by adjusting a control knob or bar.
to make minor adjustments in so as to produce stability, improvement, or the precise results desired: to fine-tune the nation's economy.

Origin of fine-tune

First recorded in 1920–25

OTHER WORDS FROM fine-tune

fine-tun·er, noun

British Dictionary definitions for fine tune

fine-tune

verb

(tr) to make fine adjustments to (something) in order to obtain optimum performance