miser

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miser

Civil engineering a large hand-operated auger used for loose soils
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

miser

[′mī·zər]
(petroleum engineering)
A well-boring bit that is tubular with a valve at the bottom, and has a screw for forcing the earth upward. Also spelled mizer.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.