n an antiarrhythmic drug (trade name Cordarone) that has potentially fatal side effects and is used to control serious heart rhythm problems only when safer agents have been ineffective
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especially an image distorted in such a way that it becomes visible only when viewed in a special manner
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a branch of a river made by water flowing from the main stream only when the water level is high
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tropical American evergreen tree bearing kidney-shaped nuts that are edible only when roasted n
