SHAFT PILLAR

Domain	Definition
Mining	A. A large area of a coal seam that is left unworked around the shaft bottom to protect the shaft and the surface buildings from damage by subsidence. All roadways in the shaft pillar are narrow, and coal faces are not opened out until the limit line of the shaft pillar is reached. The area of the shaft pillar is considerably greater than the surface area requiring protection. Syn:high pillar pillar b. A solid block of ore left around the shaft where it crosses the lode,for protection against earth movement. (references)
Source: compiled by the editor from various references; see credits.

Anagrams: SHAFT PILLAR

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-a-f-h-i-l-l-p-r-s-t"
	-2 letters: pratfalls.
	-3 letters: parfaits, partials, phallist, pitfalls, plastral, pratfall.
	-4 letters: ashfall, asphalt, harpist, hartals, lariats, latrias, parfait, pariahs, partial, philtra, phrasal, pillars, pitfall, raphias, ratfish, spathal, spatial, tallish, thralls, thrills.
	-5 letters: afrits, airths, alphas, altars, arhats, arista, ashlar, astral, atrial, faiths, filths, firths, flails, flairs, flirts, frails, frills, friths, hartal, hiatal, lahars, lariat, lathis, latish.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.