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单词 θ211935
释义
society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > pillar or area of unworked material (16)
forbar?15..

= barrier, n. 1g.

pillar1591

Mining (chiefly Coal Mining). A solid mass of coal or other mineral, of rectangular cross-section, left in place to support the roof of a mine; = rib

whole1728

Mining. A seam or portion of coal or ore which has not yet been worked, or is in the earliest stages of working. Cf. sense A. 6d. Obsolete.

stalch1747

A piece of ground left uncut though all around has been worked.

post1793

Mining. A pillar of coal or ore left uncut to support the roof of a mine working. post and stall = pillar and stall n. at pillar, n. compounds 2. Now…

stenting1812

(See quot. 1860.)

rib1818

Mining. = pillar, n. 10.

stook1826

Coal Mining. The portion of a pillar of coal left to support the roof.

man-of-war1835

Mining. A pillar of coal left unworked to provide extra support, esp. in a thick seam.

spurn1837

Mining. (See quots.)

staple1839

Mining. A pillar of coal left as a temporary support for a superincumbent mass.

barrier1849

gen. A fence or material obstruction of any kind erected (or serving) to bar the advance of persons… Coal Mining. ‘A breadth of coal left against an…

shaft pillar1855

a body of coal or rock unworked in order to provide support for an adjacent shaft.

barrier-pillar1881

(see quots.).

stoop1881

Mining. (See quot. 1881.) stoop-and-room n. = pillar and stall n. at pillar, n. compounds 2.

stump1881

Coal Mining. (See quots.)

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更新时间:2025/3/22 5:14:56