Notching
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notching
[′näch·iŋ] (electricity)
Term indicating that a predetermined number of separate impulses are required to complete operation of a relay.
(mechanical engineering)
Cutting out various shapes from the ends or edges of a workpiece.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Notching
In carpentry, a method of joining timbers by cutting notches at the ends of a piece, then overlapping the notched pieces to form a joint.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Notching
(in mining), the process of making a cut in a mineral (coal, rock salt, and so on). Supplementary free surfaces are notched in the seam to be worked to facilitate breaking-out. Until the early 20th century, notching was done mainly by hand by miners and was one of the most laborious processes; notching is now performed by cutting machines.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
notching

notching
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.