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| impregnation The forcing of a liquid substance into the spaces of a porous solid in order to change its properties, as the impregnation of wood with creosote to preserve its integrity against water damage; materials | |||
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| impregnation The forcing of a liquid substance into the spaces of a porous solid in order to change its properties, as the impregnation of wood with creosote to preserve its integrity against water damage; materials | |||