pinch(redirected from felt the pinch)
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1. the quantity of a substance, such as salt, that can be taken between a thumb and finger
2. a very small quantity
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The closing-in of borehole walls before casing is emplaced, resulting from rock failure when drilling in formations having a low compressional strength.
Thinning of a rock layer, as where a vein narrows.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.