fracking /frakˈing/ (mining)

1. The process of forcing liquid containing sand or other material into the strata round a well bottom to split them and prevent them closing
2. The process of forcing liquid into shale at high pressure in order to release gas

• shouldered arches
• shoulder girdle
• shoulder girdles
• shoulder-height
• shoulder-high
• shouldering
• shoulderings
• shoulder joint
• shoulder joints
• shoulder knot
• shoulder knots
• shoulder mark
• shoulder marks
• shoulder note
• shoulder notes
• shoulder-of-mutton sail
• shoulder-of-mutton sails
• shoulder pad
• shoulder pads
• shoulder plane
• shoulder planes
• shoulders
• shoulder-shotten
• shoulder slip
• shoulder-slipped