PNEUMATIC; PNEUMATICAL a.
atic bones. Pneumatic action, or Pneumatic lever (Mus.), a contrivance for overcoming the resistance of the keys and other movable parts in an organ, by causing compressed air from the wind chest to move them. -- Pneumatic dispatch, a system of tubes, leading to various points, through which letters, packages, etc., a…
PRESSURE n.
etc. See under Atmospheric, Center, etc. -- Back pressure (Steam engine), pressure which resists the motion of the piston, as the pressure of exhaust steam which does not find free outlet. -- Fluid pressure, pressure like that exerted by a fluid. It is a thrust which is normal and equally intense in all directions ar…
QUAKER n.
terial; -- so called because the sect of Friends, or Quakers, hold to the doctrine, of nonresistance. -- Quaker ladies (Bot.), a low American biennial plant (Houstonia cærulea), with pretty four-lobed corollas which are pale blue with a yellowish center; -- also called bluets, and little innocents.
REBELLION n. 2 definitions
d avowed renunciation of the authority of the government to which one owes obedience, and resistances to its officers and laws, either by levying war, or by aiding others to do so; an organized uprising of subjects for the purpose of coercing or overthrowing their lawful ruler or government by force; revolt; insurrecti…
REENFORCE n.
of a cannon near the breech which is thicker than the rest of the piece, so as better to resist the force of the exploding powder. See Illust. of Cannon. (b) An additional thickness of canvas, cloth, or the like, around an eyelet, buttonhole, etc.