Filtration
FILTRA'TION, noun The act or process of filtering; defecation by passing liquors through woolen cloth, brown paper, or other porous substance, as certain kinds of stone, which permit the liquor to pass, but retain the foreign matter.
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FILTRA'TION, noun The act or process of filtering; defecation by passing liquors through woolen cloth, brown paper, or other porous substance, as certain kinds of stone, which permit the liquor to pass, but retain the foreign matter.