from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A device consisting of a piston that moves within a cylinder containing oil, used to dampen and control motion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mechanical damping device consisting of a piston that moves through a viscous fluid (usually oil); used, in conjunction with a spring, in shock absorbers
from the GNU version of the Collaborative International Dictionary of English
- n. a mechanical damping device containing a piston that moves in a fluid-filled chamber to serve as a pneumatic or hydraulic cushion for a falling weight, as in the valve gear of a steam engine, to prevent shock.
from The Century Dictionary and Cyclopedia
- n. A cylinder containing a loosely fitted piston, and partly filled with fluid, designed to check sudden movements in a piece of mechanism to which it is attached.
- n. A device sometimes used for controlling the motion of an arc-lamp, and in other electrical instruments.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a mechanical damper; the vibrating part is attached to a piston that moves in a chamber filled with liquid
Sorry, no etymologies found.