overturn

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overturn

[′ō·vər‚tərn]
(hydrology)
Renewal of bottom water in lakes and ponds in regions where winter temperatures are cold; in the fall, cooled surface waters become denser and sink, until the whole body of water is at 4°C; in the spring, the surface is warmed back to 4°C, and the lake is homothermous. Also known as convective overturn.
References in classic literature ?
The pinnace could not avoid the shock, and half upset, shipped at least two tons of water, which had to be emptied; but, thanks to the coxswain, we caught it sideways, not full front, so we were not quite overturned. While Ned Land, clinging to the bows, belaboured the gigantic animal with blows from his harpoon, the creature's teeth were buried in the gunwale, and it lifted the whole thing out of the water, as a lion does a roebuck.
'Well, well, ma'am,' said the Doctor cheerfully, 'I am not bigoted to my plans, and I can overturn them myself.
He saw his father's sledge overturned, with his mother and sisters.
Poverty ordinarily causes no such sensations to those who are conscious of possessing advantages of an order superior to wealth, and surely a well-educated, well-born, virtuous girl need not have blushed because estates were torn from her parents by a political convulsion that had overturned an ancient and powerful throne.
Scarcely had the search commenced than the overturned cauldron was discovered, and with it the theft of the poisoned arrows.
She had regained her riding habit and calash from the grisly phantom, and was, in all respects, the lovely woman who had been sitting by my side at the instant of our overturn. How she had happened to disappear, and who had supplied her place, and whence she did now return, were problems too knotty for me to solve.
At the first glance it was really no more exciting than an overturned carriage or a tree blown across the road.
Solon seems not to have altered the established form of government, either with respect to the senate or the mode of electing their magistrates; but to have raised the people to great consideration in the state by allotting the supreme judicial department to them; and for this some persons blame him, as having done what would soon overturn that balance of power he intended to establish; for by trying all causes whatsoever before the people, who were chosen by lot to determine them, it was necessary to flatter a tyrannical populace who had got this power; which contributed to bring the government to that pure democracy it now is.
Jones was so delighted with this news, that, though it was dark when they returned home, he could not help going back a mile, in a shower of rain, to acquaint the poor woman with the glad tidings; but, like other hasty divulgers of news, he only brought on himself the trouble of contradicting it: for the ill fortune of Black George made use of the very opportunity of his friend's absence to overturn all again.
Bill seemed to have forgotten his forebodings of the previous night, and even waxed facetious with the dogs when, at midday, they overturned the sled on a bad piece of trail.
The priest overturned Quasimodo on the floor with a kick, and, quivering with rage, darted back under the vault of the staircase.
When he reached the bridge he saw two unlimbered guns, the infantry crossing the bridge, several overturned carts, and frightened and laughing faces among the troops.