Meaning of low-background steel | Babel Free

Definitions

1. Steel with low inherent radiation levels, suitable for instruments and experiments highly sensitive to radiation.
   countable, uncountable
2. Steel created before 1945, and not contaminated by radioisotopes originating from nuclear bomb tests and explosions, and other nuclear technology radioactivity releases.
   countable, uncountable
3. Used other than figuratively or idiomatically: see low-background, steel.
   countable, uncountable

Examples

“The high alloy steel that was recovered from the Tirpitz was valuable owing to the fact that it was one of the few sources of low-background steel—steel produced prior to the detonation of the atomic bombs.”

CEFR level