FILTER n. 2 definitions
Any porous substance, as cloth, paper, 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 fil…
FIREWORK n.
, sulphur, metallic filings, and various salts. The most common feature of fireworks is a paper or pasteboard tube filled with the combustible material. A number of these tubes or cases are often combined so as to make, when kindled, a great variety of figures in fire, often variously colored. The skyrocket is a common…
FLAT a.
nt (or sharp) consonant. Flat arch. (Arch.) See under Arch, n., 2. (b). -- Flat cap, cap paper, not folded. See under Paper. -- Flat chasing, in fine art metal working, a mode of ornamenting silverware, etc., producing figures by dots and lines made with a punching tool. Knight. -- Flat chisel, a sculptor's chisel f…
FLOCK n. 2 definitions
oolen refuse, especially that from shearing the nap of cloths, used as a coating for wall paper to give it a velvety or clothlike appearance; also, the dust of vegetable fiber used for a similar purpose. Flock bed, a bed filled with flocks or locks of coarse wool, or pieces of cloth cut up fine. "Once a flock bed, but…
FLY n.
-- Fly orchis (Bot.), a plant (Ophrys muscifera), whose flowers resemble flies. -- Fly paper, poisoned or sticky paper for killing flies that feed upon or are entangled by it. -- Fly powder, an arsenical powder used to poison flies. -- Fly press, a screw press for punching, embossing, etc., operated by hand and ha…