ARMS n.
state of hostility. -- Small arms, portable firearms known as muskets, rifles, carbines, pistols, etc. -- A stand of arms, a complete set for one soldier, as a musket, bayonet, cartridge box and belt; frequently, the musket and bayonet alone. -- To arms! a summons to war or battle. -- Under arms, armed and equipped…
ATMOSPHERIC; ATMOSPHERICAL a.
e. [R.] In am so atmospherical a creature. Pope. Atmospheric engine, a steam engine whose piston descends by the pressure of the atmosphere, when the steam which raised it is condensed within the cylinder. Tomlinson. -- Atmospheric line (Steam Engin.), the equilibrium line of an indicator card. Steam is expanded "down…
AUFKLARUNG n.
matic but vigorous skepticism of Pierre Bayle, the physical doctrines of Newton, and the epistemological theories of Locke, in the preceding century. Its chief center was in France, where it gave rise to the skepticism of Voltaire , the naturalism of Rousseau, the sensationalism of Condillac, and the publication of the…
BACKLASH n.
The distance through which one part of connected machinery, as a wheel, piston, or screw, can be moved without moving the connected parts, resulting from looseness in fitting or from wear; also, the jarring or reflex motion caused in badly fitting machinery by irregularities in velocity or a reverse of motion.…
BARREN a.
Mentally dull; stupid. Shak. Barren flower, a flower which has only stamens without a pistil, or which as neither stamens nor pistils. -- Barren Grounds (Geog.), a vast tract in British America northward of the forest regions. -- Barren Ground bear (Zoöl.), a peculiar bear, inhabiting the Barren Grounds, now believed…