eddy


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eddy

a movement in a stream of air, water, or other fluid in which the current doubles back on itself causing a miniature whirlwind or whirlpool

Eddy

Mary Baker. 1821--1910, US religious leader; founder of the Christian Science movement (1866)

eddy

[′ed·ē]
(fluid mechanics)
A vortexlike motion of a fluid running contrary to the main current.

eddy

eddy
i. A local irregularity in wind-producing gusts and lulls. Small-scale eddies produce turbulent conditions.
ii. The more or less circular motion produced by an obstruction in the path of moving fluid, such as against a streamlined flow on an uneven or nonstreamlined surface or in an area where there is a sudden rise in pressure. In fluids, any circulation drawing its energy from a flow of a much larger scale and brought about by pressure irregularities.
References in classic literature ?
Between 1 May, when she stepped off the train, and 16 May, when she received Eddy Moore's letter containing the information that he had found her a post as stenographer in the office of Joe Rendal, it had changed Mary Hill quite remarkably.
At my right was a great, slow-moving eddy that circled far beneath the cliff's overhanging side, and to rest my tired muscles before turning back I let my boat drift into its embrace.
As he sank down among them the clouds ceased to seem the snowclad mountain-slopes they had resembled heretofore, became unsubstantial, confessed an immense silent drift and eddy in their substance.
As midday drew on, and the sun beat straight upon the roof, an eddy of great flies droned in a circle; iced drinks were served under the palms; the long blinds were pulled down with a shriek, turning all the light yellow.
There was a short struggle at the surface, and then a swirl of waters, a little eddy, and a burst of bubbles soon smoothed out by the flowing current marked for the instant the spot where Tarzan of the Apes, Lord of the Jungle, disappeared from the sight of men beneath the gloomy waters of the dark and forbidding Ugambi.
Joan cried in a low voice, pointing across the narrow stream to a slack eddy where a huge crocodile drifted like a log awash.
One morning we discovered ice on the surface of the quiet water in the eddy where was the drinking-place, and there was a great How-do-you-do about it.
And at no time, striking another chord of his nature, could he take the joy in a million-dollar Eldorado dump that was at all equivalent to the joy he took in watching his two sawmills working and the big down river log-rafts swinging into the bank in the big eddy just above Moosehide Mountain.
Across an eddy just outside the entrance, and in and through and over a boiling tide-rip, the boat fought its way to the mirrored calm of the lagoon.
Below the rapid was a second pool, and here, captured by the eddy, he was gently borne to the bank, and as gently deposited on a bed of gravel.
And, papa dear, Eddy says mayn't he have the little jug when it is empty?
There it fell with mighty splash, one jagged end peaking out above the surface, while the waters bubbled and foamed with far-circling eddy.