backing (redirected from Back (disambiguation))

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

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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)

backing strip

(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.

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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.