background radiation
Noun
Meaning
radiation coming from sources other than those being observed
Source: WordNetSynonyms
Antonyms
Hypernyms
Examples
Alpher and Herman made it clear that what they had called "the temperature in the univerese" the previous year referred to a blackbody distributed background radiation quite different from sunliight".
Artificial background radiation Displays showing ambient radiation fields of 0.120-0.130 μSv/h (1.05-1.14 mSv/a) in a nuclear power plant.
Background dose rate examples Background radiation varies with location and time, and the following table gives examples: Natural background radiation The weather station outside of the Atomic Testing Museum on a hot summer day.
Cosmic microwave background radiation main 9 year WMAP image of the cosmic microwave background radiation (2012).
Date unknown * Spring First recognition of cosmic microwave background radiation as a detectable phenomenon.
Definitions The term background radiation can have different meanings, depending whether we are considering an ambient radiation dose, or we wish to differentiate between an incidental background and a particular source of radiation of concern.