ROOF n.
The surface or bed of rock immediately overlying a bed of coal or a flat vein. Bell roof, French roof, etc. (Arch.) See under Bell, French, etc. -- Flat roof. (Arch.) (a) A roof actually horizontal and level, as in some Oriental buildings. (b) A roof nearly horizontal, constructed of such material as allows the water…
SHOOT n.
An inclined plane, either artificial or natural, down which timber, coal, etc., are caused to slide; also, a narrow passage, either natural or artificial, in a stream, where the water rushes rapidly; esp., a channel, having a swift current, connecting the ends of a bend in the stream, so as to shorten the course. [Writ…
SHOVEL n.
scoop, or more or less hollow blade, with a handle, used for lifting and throwing earth, coal, grain, or other loose substances. Shovel hat, a broad-brimmed hat, turned up at the sides, and projecting in front like a shovel, - - worn by some clergy of the English Church. [Colloq.] -- Shovelspur (Zoöl.), a flat, horny…
SINGING a.
fish (Porichthys porosissimus). -- Singing flame (Acoustics), a flame, as of hydrogen or coal gas, burning within a tube and so adjusted as to set the air within the tube in vibration, causing sound. The apparatus is called also chemical harmonicon. -- Singing master, a man who teaches vocal music. -- Singing school…
SLATE n.
ls. -- Slate clay (Geol.), an indurated clay, forming one of the alternating beds of the coal measures, consisting of an infusible compound of alumina and silica, and often used for making fire bricks. Tomlinson. -- Slate globe, a globe the surface of which is made of an artificial slatelike material. -- Slate penci…