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Meaning of fine-tune

fine-tune

Pronunciation: (fīn'tn', -tyn'), [key]
— -tuned, -tun•ing.
  1. 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.
  2. tune (def. 16).
  3. to make minor adjustments in so as to produce stability, improvement, or the precise results desired: to fine-tune the nation's economy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.