notch

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notch

US and Canadian a narrow pass or gorge
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

notch

[näch]
(electronics)
Rectangular depression extending below the sweep line of the radar indicator in some types of equipment.
(engineering)
A V-shaped indentation or cut in a surface or edge.
(geology)
A deep, narrow cut near the high-water mark at the base of a sea cliff.
(geography)
A narrow passage between mountains or through a ridge, hill, or mountain.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

notch

A cutout in a log or timber, usually at or near one of its ends, that is used to form a rigid joint when mated with another appropriately cutout log or timber at right angles to it; for example, at the corners of a log cabin or log house. See corner notch, diamond notch, double-saddle notch, dovetail notch, half-cut notch, half-dovetail notch, halved-and-lapped notch, lap notch, log notch, round notch, saddle notch, single notch, single-saddle notch, square notch, V-notch.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
P2 is more variable and ends on the dicrotic notch. P3 follows the dicrotic notch.
1, the pressure range was limited to maintain the presence of an apparent dicrotic notch in the waveform derivative whose disappearance has been observed to precede the shutdown of pulsing blood vessels.