strontium 90

1. 1.

   a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions; can be assimilated like calcium into bones

   Broaderstrontium

Questions about strontium 90

What does strontium 90 mean?

strontium 90 means "a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions; can be assimilated like calcium into bones".

Is strontium 90 a common word?

strontium 90 is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.