flywheel

fly·wheel

noun \-ˌhwēl, -ˌwēl\

: a heavy wheel that is part of a machine and that controls the speed of machinery

Full Definition of FLYWHEEL

:  a heavy wheel for opposing and moderating by its inertia any fluctuation of speed in the machinery with which it revolves; also :  a similar wheel used for storing kinetic energy (as for motive power)

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First Known Use of FLYWHEEL

1784

Rhymes with FLYWHEEL

aiguille, all-wheel, anneal, appeal, big deal, big wheel, bilge keel, bonemeal, bonspiel, cam wheel, Castile, cartwheel, chainwheel, chenille, cogwheel, conceal, congeal, cornmeal, done deal, eared seal, enwheel, fifth wheel, fish meal, forefeel, for real, four-wheel, freewheel, fur seal, genteel, get real, good deal, great seal, handwheel, harp seal, ideal, inchmeal, mild steel, mill wheel, misdeal, mobile, Mobile, monk seal, mouthfeel, New Deal, newsreel, nosewheel, oatmeal, O'Neal, pastille, piecemeal, pinwheel, prayer wheel, raw deal, repeal, reveal, schlemiel, self-heal, side-wheel, singspiel, somedeal, spike heel, stabile, tahsil, Tar Heel, thumbwheel, unreel, unseal, worm wheel

flywheel

noun    (Concise Encyclopedia)

Heavy wheel attached to a rotating shaft to smooth out delivery of power from a motor to a machine. The inertia of the flywheel opposes and moderates fluctuations in the speed of the engine and stores the excess energy for intermittent use. In automobile engines, the flywheel smooths out the pulses of energy provided by the combustion in the cylinders and provides energy for the compression stroke of the pistons. In power presses the actual punching, shearing, and forming are done in only a fraction of the operating cycle. During the longer, nonactive period, the speed of the flywheel is built up slowly by a comparatively low-powered motor. When the press is operating, most of the required energy is provided by the flywheel.