WATER WHEEL n.
for other purposes, that is made to rotate by the direct action of water; -- called an overshot wheel when the water is applied at the top, an undershot wheel when at the bottom, a breast wheel when at an intermediate point; other forms are called reaction wheel, vortex wheel, turbine wheel, etc.
WHEEL n.
Balance wheel. See in the Vocab. -- Bevel wheel, Brake wheel, Cam wheel, Fifth wheel, Overshot wheel, Spinning wheel, etc. See under Bevel, Brake, etc. -- Core wheel. (Mach.) (a) A mortise gear. (b) A wheel having a rim perforated to receive wooden cogs; the skeleton of a mortise gear. -- Measuring wheel, an odomet…
WHITE a.
A disease of grapes. See White rot, under Rot. -- White sage (Bot.), a white, woolly undershrub (Eurotia lanata) of Western North America; -- called also winter fat. -- White salmon (Zoöl.), the silver salmon. -- White salt, salt dried and calcined; decrepitated salt. -- White scale (Zoöl.), a scale insect (Aspidi…