anacoustic zone /an-ə-kooˈstik zōn/

A zone of absolute silence in space

• shiest
• shift
• shiftable
• shift about
• shift down
• shifted
• shifter
• shifters
• shift for oneself
• shiftier
• shiftiest
• shiftily
• shiftiness
• shiftinesses
• shifting
• shifting-boards
• shifting cultivation
• shifting register
• shiftings
• shifting spanner
• shifting spanners
• shift key
• shift keys
• shiftless
• shiftlessly