Filtering, fil'-ter-ing, s

the act of straining through means of a filter. Filtering - bag, a conical -shaped bag, made of close flannel, and used for filtering wine, vinegar, . Filtering-cup, a pneumatic apparatus used for the purpose of demonstrating the pre ure of the atmosphere on the upper surface of a fluid, when the pre ure is removed from beneath. Filtering-funnel, a gla or other funnel, made with slight flutes or channels down the lower parts of the sides,which allow the liquid toflow more freely than in a smooth -surfaced funnel. Filtering machine, any contrivance by whi liquids may be filtered. Filtering paper, a porous pajer for filtering. Filtering stone, any porous stone, such as sandstone, or oolite,