FILTER n.
sand, or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air. Filter bed, a pond, the bottom of which is a filter composed of sand gravel. -- Filte…
FIRST a.
it at first hand, by way of mouth, to yourself. Dickens. -- First coat (Plastering), the solid foundation of coarse stuff, on which the rest is placed; it is thick, and crossed with lines, so as to give a bond for the next coat. -- First day, Sunday; -- so called by the Friends. -- First floor. (a) The ground floor.…