NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,957 terms related to cancer and medicine.

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cyanide
(SY-uh-nide)
A poisonous chemical found in some foods and plants, tobacco smoke, and when certain substances are burned. It is used to make products such as paper, fabric, and plastic, and is used as a pesticide. Cyanide keeps cells in the body from using oxygen, so they die. Exposure to cyanide may cause serious health effects, including death.