Look up recorded information of Sparta, including demographics and local economy. Link to all levels of Sparta, government and their sites with services which provide public information. Current economy, business and housing data. Read about up to date current events and what is occurring in the Village of Sparta. Find out about the background of residents and recorded statistics.
Wiktionary(0.00 / 0 votes)Rate this definition: background radiation(Noun) ionizing radiation that is naturally present in the environment. Freebase(0.00 / 0 votes)Rate this definition: Background radiation is the ubiquitous ionizing radiation that people on the planet Earth are exposed to, including natural and artificial sources. Both natural and artificial background radiation varies by location.
A sign warns of radiation. noun. Radiation is the process of sending off energy in the form of light, heat, x-rays or nuclear particles. An example of radiation are the energy waves off of a nuclear bomb. An example of radiation is the energy in the atmosphere monitored by radiation detectors such as the Xetex brand of personal radiation detector which were ultimately discontinued in the 1990s.