Such a scenario may turn into a vicious circle.

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The remarkable chair can carry a 198-pound person and turn in a full circle.

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Concerns about the banks affect sovereign debt, which in turn affects the banks in a vicious circle.

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In turn, those workarounds can lead to a vicious circle of eDiscovery nightmares.

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If investors stop buying bonds issued by other governments, then those governments in turn will not be able to repay their creditors - a potentially disastrous vicious circle.

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There was a virtuous circle of increasing listings attracting increasing capital, which in turn brought in even more listings.

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Keith Wills, retail analyst at Goldman Sachs, says the firm is in a virtuous circle: higher volumes augment its buying power, which in turn drives prices down.

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When you first turn on the screen on a Home-equipped phone, you see the time and a small circle at the bottom displaying your Facebook profile picture.

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