The Kursk had suffered two on-board explosions, and sunk to the bottom like a stone.

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Ukraine's currency, the hryvnia, has already sunk to the bottom of its trading band against the dollar.

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It is caused by the bacterial decomposition of organic matter that has died and sunk to the bottom.

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It must be buried under a mountain, sunk to the bottom of the sea, or placed under a thick layer of salt deep under a desert for instance.

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Two explosions on board the submarine had been monitored, making it clear that the bow of the Kursk had been ripped open, and the vessel had sunk to the bottom like a stone.

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Before they knew it she had jumped on board, gone right through the bottom and sunk them.

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In fact, these guns were salvaged from the bottom of far-away Manila Bay, from Spanish ships sunk by Montpelier's own Admiral George Dewey on the day America came of age as an international power.

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Since pipeline costs are mostly sunk costs, not variable, about 95% of that drops to the bottom line.

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