Tweet. Share this. Radiotherapy or radiation therapy is the general term for the use of radiation in the treatment of disease. Radiotherapy uses ionizing radiation to kill harmful cells in the body. Ionizing radiation can come from many sources, such as x-rays, gamma rays, or proton beams.When used for cancer treatments, radiation kills cancerous cells and shrinks tumors.weet. Share this. Radiotherapy or radiation therapy is the general term for the use of radiation in the treatment of disease. Radiotherapy uses ionizing radiation to kill harmful cells in the body. Ionizing radiation can come from many sources, such as x-rays, gamma rays, or proton beams.
Definition of impediment. 1 : something that impedes; especially : an impairment (as a stutter or a lisp) that interferes with the proper articulation of speech.
Example Sentences for impediment. Let him die, and be no longer an impediment to their vengeance! The fences and ditches that lay in his way were no impediment. At Troyes he tried to create a like impediment; but here he was foiled, for Troyes capitulated. Not that he purposed putting any hitch or impediment in the way.