Update: The Chase.com website is no longer down. No word on the cause of the outage. While there is still no word as to why Chase.com is currently down, patience among customers is running low.Customers have taken to Twitter and other social media platforms to express their displeasure with the site's malfunctions.o word on the cause of the outage. While there is still no word as to why Chase.com is currently down, patience among customers is running low. Customers have taken to Twitter and other social media platforms to express their displeasure with the site's malfunctions.
incident radiation Definition. Solar energy, both direct and diffuse, upon its arrival at the surface of a solar collector or other surface.
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.