retune /rē-tūnˈ/

1. To alter the tone of (a musical instrument)
2. To readjust (a radio, TV, video recorder, etc) so as to produce the optimum response to an incoming signal

An act or instance of retuning

• half-loaves
• half-marathon
• half-marathons
• half mast
• half-mast
• half masts
• half measure
• half measures
• half-miler
• half-milers
• half-moon
• half-moons
• half-mourning
• half nelson
• half-note
• half-notes
• half-one
• halfpace
• halfpaces
• half past
• half pay
• half-pay
• halfpence
• halfpennies
• halfpenny