low-background steel
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English[edit]
Noun[edit]
low-background steel (countable and uncountable, plural low-background steels)
- Used other than figuratively or idiomatically: see low-background, steel.
- Steel with low inherent radiation levels, suitable for instruments and experiments highly sensitive to radiation.
- Steel created before 1945, and not contaminated by radioisotopes originating from nuclear bomb tests and explosions, and other nuclear technology radioactivity releases