1. (physics) sound waves having frequency below the human audible range (below about 20 Hz)

Encyclopedia: Infrasound

• chocolate kiss
• chocolate liquor
• chocolate milk
• chocolate mousse
• chocolate pudding
• chocolate root
• chocolate sauce
• chocolate sweet
• chocolate syrup
• chocolate tree
• chocolate truffle
• chocolate-brown
• chocolate-colored
• chocolate-coloured
• chocolatey
• chocolaty
• Choctaw
• Choeronycteris
• Choeronycteris mexicana
• choice
• choice morsel
• choice of words
• choiceness
• choir
• choir loft