单词 | sludger |
释义 | sludgern. An appliance for removing the sludge from a bore-hole, or for boring in quicksand. ΘΚΠ society > occupation and work > equipment > earth-moving and excavating equipment > [noun] > other equipment snow-plough1792 road roller1820 horse-block1825 sludger1839 horsing-block1856 channeller1867 grader1869 push plough1890 snowblade1947 ripper1953 mouldboard1956 groomer1966 1839 A. Ure Dict. Arts 966 The sludger, for bringing up the mud. 1849 G. C. Greenwell Gloss. Terms Coal Trade Northumberland & Durham 9 Sludgers..are used when a bore-hole is so wet that the borings would..be washed out of the cylinder. 1871 W. Morgans Man. Mining Tools 134 A sludger which is fitted with an inside piston..in order to suck the sludge into the cylinder. This entry has not yet been fully updated (first published 1912; most recently modified version published online December 2020). < n.1839 |
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