pinch

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Related to pinched: Pinched nerve

pinch

1. the quantity of a substance, such as salt, that can be taken between a thumb and finger
2. a very small quantity

pinch

[pinch]
(engineering)
The closing-in of borehole walls before casing is emplaced, resulting from rock failure when drilling in formations having a low compressional strength.
(geology)
Thinning of a rock layer, as where a vein narrows.
(mining engineering)
References in periodicals archive ?
Next, the researchers either scraped the stinger off with a credit card or pinched it out with thumb and forefinger, then measured the size of the red welt left behind.
Little Jack Horner Sat in a corner, Rolling a ball of clay: He stuck in his thumb, Pinched it around a little, And came up with an interesting piece of sculpture.
For an added beautifying effect, the top of the feathers can be pinched between the thumb and forefinger, creating a rounded, separating edge, if wedges haven't been cut.
The power steering hose, NSN 4720-01-346-6252, on some M1074P1 and M1075P1 vehicles may be pinched between the right rear armor panel and the right side armor mine blast panel.
However, when the plants are still small they must not be pinched or tweaked in any way as this will retard their growth.
Q should the cherry tomato Gardener's Delight have its sideshoots pinched out as in varieties with full-sized fruits?
In any variant of this process, a parison is extruded, pinched off at the top and bottom, then blown into a part that takes the shape of the mold cavity.
Unlike calluses, warts hurt more when pinched than when pressed, and they interrupt the skin lines like islands in a rippling pond, while calluses have continuous "fingerprints.