In English | En español
Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Cancer Terms

Page Options

  • Print This Page

Widget



mega-voltage linear accelerator  listen  (MEH-guh-VOLE-tij LIH-nee-er ak-SEH-leh-RAY-ter)

  A machine that uses electricity to form a stream of fast-moving subatomic particles. This creates high-energy radiation that may be used to treat cancer. Also called linac, linear accelerator, and MeV linear accelerator.