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

NCI Dictionary of Cancer Terms

Page Options

  • Print This Page

Widget

NCI Dictionary of Cancer Terms



tranquilizer  listen  (TRANG-kwih-LY-zer)

  A drug that calms and soothes, and reduces stress and tension. Tranquilizers are used to treat anxiety and insomnia.