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

• alphamerical
• alphanumeric
• alphanumeric characters
• alphanumeric display
• alphanumerical
• alphanumerics
• alphavirus
• Alphonse Bertillon
• Alphonse Capone
• alphorn
• alpine
• Alpine anemone
• alpine ash
• alpine azalea
• alpine bearberry
• Alpine besseya
• Alpine celery pine
• alpine clover
• alpine clubmoss
• alpine coltsfoot
• Alpine enchanter's nightshade
• Alpine fir
• Alpine glacier
• alpine gold
• Alpine golden chain