backing(redirected from Back (disambiguation))
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1. Theatre a scenic cloth or flat placed behind a window, door, etc., in a set to mask the offstage space
2. the support in gold or precious metals for a country's issue of money in notes
3. Meteorol an anticlockwise change in wind direction
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The unexposed, rough masonry surface of a wall that is faced with finer work.
The earth backfill of a retaining wall.
Flexible material, usually cellulose acetate or polyester, used on magnetic tape as the carrier for the oxide coating.
Internationally, a change in wind direction in a counterclockwise sense (for example, south to east) in either hemisphere of the earth.
In United States usage, a change in wind direction in a counterclockwise sense in the Northern Hemisphere, clockwise in the Southern Hemisphere.
Timbers across the top of a level, supported in notches cut in the rock.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The material on the underside of carpet; usually made of cotton, carpet rayon, kraft cord, or jute; may have a coating of latex.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
The change of direction of wind in an anticlock-wise direction as viewed from the top. The change of direction in a clock-wise direction is called veering. See back (v).
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved