backing

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backing

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

backing

[′bak·iŋ]
(civil engineering)
The unexposed, rough masonry surface of a wall that is faced with finer work.
The earth backfill of a retaining wall.
(electronics)
Flexible material, usually cellulose acetate or polyester, used on magnetic tape as the carrier for the oxide coating.
(metallurgy)
(meteorology)
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.
(mining engineering)
Timbers across the top of a level, supported in notches cut in the rock.

carpet backing

The material on the underside of carpet; usually made of cotton, carpet rayon, kraft cord, or jute; may have a coating of latex.

backing

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).