NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,105 terms related to cancer and medicine.
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- listen (RIH-chuh-wul)
- An action or series of actions that is repeated, often in a religious or social setting. In medicine, it may describe a repeated action (such as hand washing) done to relieve feelings of fear, dread, and uneasiness in people who have an obsessive-compulsive disorder.