NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,811 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

craving
(KRAY-ving)
A strong, urgent, or abnormal desire for a certain substance or activity. There are different types of cravings, such as food cravings or cravings for addictive substances, including alcohol, drugs, or nicotine. Nicotine cravings are common after a person quits smoking and may come and go over time.