Strontium 90
nounverified·updated May 18, 2026
a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions
Framework senses
- §1
- a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions
- §1 · legacy_primary
- a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosionsDR-088 backfill from the noun definition column