INTERNAL-COMBUSTION; INTERNAL-COMBUSTION ENGINE a.
s mixed with a definite amount of air, the charge is composed in the cylinder and is then exploded either by a flame of gas (flame ignition -- now little used), by a hot tube (tube ignition) or the like, by an electric spark (electric ignition, the usual method is gasoline engines, or by the heat of compression, as in…
NEEDLE n.
gun, a firearm loaded at the breech with a cartridge carrying its own fulminate, which is exploded by driving a slender needle, or pin, into it. -- Needle loom (Weaving), a loom in which the weft thread is carried through the shed by a long eye-pointed needle instead of by a shuttle. -- Needle ore (Min.), acicular bi…
POWDER n.
a red flag. -- Powder magazine, or Powder room. See Magazine, 2. -- Powder mine, a mine exploded by gunpowder. See Mine. -- Powder monkey (Naut.), a boy formerly employed on war vessels to carry powder; a powder boy. -- Powder post. See Dry rot, under Dry. -- Powder puff. See Puff, n.
UP adv.
To destroy by an explosion from beneath. (c) To explode; as, the boiler blew up. (d) To reprove angrily; to scold. [Slang] -- To bring up. See under Bring, v. t. -- To come up with. See under Come, v. i. -- To cut up. See under Cut, v. t. & i. -- To draw up. See under Draw, v. t. -- To grow up, to grow to maturity.…