background radiation

Noun

 * 1) ionizing radiation that is naturally present in the environment.

Translations

 * Armenian: ճառագայթային ֆոն
 * Danish: baggrundsstråling
 * Dutch:
 * Finnish:
 * French: rayonnement de fond
 * Icelandic: bakgrunnsgeislun
 * Norwegian: bakgrunnsstråling
 * Russian:
 * Swedish: bakgrundsstrålning
 * Vietnamese: phông phóng xạ