overlap

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overlap

Geology the horizontal extension of the upper beds in a series of rock strata beyond the lower beds, usually caused by submergence of the land
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

overlap

[′ō·vər‚lap]
(communications)
In teletypewriter practice, the selecting of another code group while the printing of a previously selected code group is taking place.
Amount by which the effective height of the scanning facsimile spot exceeds the nominal width of the scanning line.
(computer science)
To perform some or all of an operation concurrently with one or more other operations.
(geology)
Movement of an upcurrent part of a shore to a position extending seaward beyond a downcurrent part.
Extension of strata over or beyond older underlying rocks.
The horizontal component of separation measured parallel to the strike of a fault.
(metallurgy)
Projection of the weld metal beyond the bond at the toe of the weld.
Extension of one sheet over another in spot, seam, or projection welding.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

overlap

overlapclick for a larger image
The amount by which one photograph includes the same area covered by another, customarily expressed as a percentage. The overlap between successive air photographs on a flight line is called forward overlap or ground overlap. The overlap between photographs in adjacent parallel flight lines is called lateral overlap or sidelap. The normal forward and side overlaps are 60% and 30%, respectively.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved