1. A sound wave, of the same amplitude but of opposite phase to that of an unwanted sound, that can cancel the unwanted sound using destructive interference

Encyclopedia: Antinoise

• factory worker
• factory-made
• factotum
• facts of life
• factual
• factuality
• factually
• factualness
• factum
• facture
• facula
• facultative
• faculty
• faculty member
• fad
• fad diet
• faddily
• faddish
• faddishly
• faddist
• faddy
• fade
• fade away
• faded
• fadeless