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screw conveyor

a device for moving loose materials, consisting of a shaft with a broad, helically wound blade rotating in a tube or trough.
Also called worm. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for screw-conveyor

screw conveyor

(engineering) a duct along which material is conveyed by the rotational action of a spiral vane which lies along the length of the duct Also called worm conveyor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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