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Glossary

This glossary includes definitions of many terms used in home repair and home improvement.

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w
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A unit of power equal to 1 joule per second; the power dissipated by 1 ampere flowing across a resistance of 1 ohm; the power produced by 1 ampere under an electromotive force of 1 volt. One horsepower is equal to 746 watts.

See also: ampere, volt