Meaning of low-background lead | Babel Free
Definitions
-
Lead with low inherent radiation levels, suitable for instruments and experiments highly sensitive to radiation. countable, uncountable
-
Lead sourced from ancient shipwrecks, where the deep sea environment has kept it from accumulating radiation from outside sources, and where inherent radiation has decayed away in the time it has been sunk. countable, uncountable
-
Used other than figuratively or idiomatically: see low-background, lead. countable, uncountable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.