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| a thin flat slab of fired clay used for roofing | |||
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| ceramic ware made of porous clay fired at low heat | |||
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| a flat thin rectangular slab (as of fired clay or rubber or linoleum) used to cover surfaces | |||
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| a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm |