NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 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.

whey protein powder
(way PROH-teen …)
A powdered form of proteins taken from whey, which is the liquid left over when cheese is made from cow’s milk. Whey protein powder is used to increase protein in the diet and is being studied for possible health benefits.