FLASHING n.
A mode of covering transparent white glass with a film of colored glass. Knight. Flashing point (Chem.), that degree of temperature at which a volatile oil gives off vapor in sufficient quantity to burn, or flash, on the approach of a flame, used as a test of the comparative safety of oils, esp. kerosene; a flashing po…
FLOATING a.
sland, a dish for dessert, consisting of custard with floating masses of whipped cream or white of eggs. -- Floating kidney. (Med.) See Wandering kidney, under Wandering. -- Floating light, a light shown at the masthead of a vessel moored over sunken rocks, shoals, etc., to warn mariners of danger; a light- ship; als…
FLUORITE n.
Calcium fluoride, a mineral of many different colors, white, yellow, purple, green, red, etc., often very beautiful, crystallizing commonly in cubes with perfect octahedral cleavage; also massive. It is used as a flux. Some varieties are used for ornamental vessels. Also called fluor spar, or simply fluor.…
FLY AMANITA; FLY FUNGUS n.
Agaricus muscarius), having usually a bright red or yellowish cap covered with irregular white spots. It has a distinct volva at the base, generally an upper ring on the stalk, and white spores. Called also fly agaric, deadly amanita.
FOAM n.
The white substance, consisting of an aggregation of bubbles, which is formed on the surface of liquids,or in the mouth of an animal, by violent agitation or fermentation; froth; spume; scum; as, the foam of the sea. Foam cock, in steam boilers, a cock at the water level, to blow off impurities.