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.
In mathematics, a rate is the ratio between two related quantities. Often it is a rate of change. If the unit or quantity in respect of which something is changing is not specified, usually the rate is per unit time.However, a rate of change can be specified per unit time, or per unit of length or mass or another quantity.ften it is a rate of change. If the unit or quantity in respect of which something is changing is not specified, usually the rate is per unit time. However, a rate of change can be specified per unit time, or per unit of length or mass or another quantity.