REGENERATOR n.
A device used in connection with hot-air engines, gas-burning furnaces, etc., in which the incoming air or gas is heated by being brought into contact with masses of iron, brick, etc., which have been previously heated by the outgoing, or escaping, hot air or gas.
SERPENT n.
Pharaoh's serpent (Chem.), mercuric sulphocyanate, a combustible white substance which in burning gives off a poisonous vapor and leaves a peculiar brown voluminous residue which is expelled in a serpentine from. It is employed as a scientific toy. -- Serpent cucumber (Bot.), the long, slender, serpentine fruit of the…
SHELL n.
bill of India. -- Shell jacket, an undress military jacket. -- Shell lime, lime made by burning the shells of shellfish. -- Shell marl (Min.), a kind of marl characterized by an abundance of shells, or fragments of shells. -- Shell meat, food consisting of shellfish, or testaceous mollusks. Fuller. -- Shell mound.…
SINGING a.
chthys 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, a school…
SMOKE n. 2 definitions
The visible exhalation, vapor, or substance that escapes, or expelled, from a burning body, especially from burning vegetable matter, as wood, coal, peat, or the like.
SMUDGE n.
A heap of damp combustibles partially ignited and burning slowly, placed on the windward side of a house, tent, or the like, in order, by the thick smoke, to keep off mosquitoes or other insects. [U. S.] Bartlett.
SQUIB n.
inder of paper, filled with powder or combustible matter, to be thrown into the air while burning, so as to burst there with a crack. Lampoons, like squibs, may make a present blaze. Waller. The making and selling of fireworks, and squibs . . . is punishable. Blackstone.