undercut

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undercut

Forestry chiefly US and Canadian a notch cut in a tree trunk, to ensure a clean break in felling
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

Undercut

In stonework, to cut away a lower part, leaving a projection above that serves the function of a drip. To rout a groove back from the edge of an overhanging member.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

undercut

[′ən·dər‚kət]
(electronics)
Undesirable lateral etching by chemicals in the fabrication of semiconductor devices.
(engineering)
Underside recess either cut or molded into an object so as to leave a topside lip or protuberance.
(metallurgy)
An unfilled groove melted into the base metal at the toe of a weld.
To fail to machine a part to a sufficient extent.
(mining engineering)
To cut below or in the lower part of a coal bed by chipping away the coal with a pick or mining machine; cutting is usually done on the level of the floor of the mine, extending laterally the entire face and 5 or 6 feet (1.5 or 1.8 meters) into the material.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

undercut

1. In stonework, to cut away a lower part, leaving a projection above that serves the function of a drip.
2. To rout a groove or channel (a drip) back from the edge of an overhanging member.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The amount of undercut required to pull a molded sprue out of its bushing depends on no less than six different variables, many of which are not often taken into consideration during the mold-design stage:
When an undercut feature cannot be removed from the part design, it will most likely require internal mold mechanisms to help facilitate the ejection.
Alginate impression materials are required to have a certain degree of viscosity to flow to all areas of oral cavity.4 One important property of impression material is the stiffness of the set material.5 This stiffness gives a measure of the force required to remove the impression from the undercut areas in the mouth.6 Elastic and less stiff impression materials are easier to remove from the mouth.2
Based on a prestructuring of the PA66 specimen and the generation of undercuts, a form fit between the PA66 and HDPE specimen could be created using vibration welding.
Picture shown, that the fracture area of all specimens was observed out with the joint area and therefore the results could be marked as a suitable, not regarding the presence of the undercuts. The average force to failure was F = 6.3 kN, which represented the material tensile strength of 315 MPa.
Pressure forming permits a large undercut ring to be fabricated around the edge of the base, eliminating an internal mounting ring in the dome.
If a design has some unavoidable undercuts, the die has to be made with one or more slides to obtain the desired result without affecting ejection of the casting from the cavity.
Undercut: Undercut the lowest price by unless [less than or equal to] , then raise the price to ,
Roderick Abbott stressed the 'current new emphasis' on eliminating the 'distorting effects' of agricultural subsidies in the European Union and the USA--a distortion that means European and American produce undercut the price, and livelihoods, of Third World farmers.
FIAT's new Panda supermini will massively undercut its rivals when it goes on sale next month.
Rollers made in one piece have problems including undercuts at the flange that draw tape in or radiuses bend it out.
"The Republican leadership in Congress has sent a shameful message to the nation that undercuts our commitment to civil rights and equal protection of the law," said Sen.