STRONTIUM 90

 Dictionary entry overview: What does strontium 90 mean? 

• STRONTIUM 90 (noun)
  The noun STRONTIUM 90 has 1 sense:

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

  Familiarity information: STRONTIUM 90 used as a noun is very rare.

 Dictionary entry details 

• STRONTIUM 90 (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting substances

Hypernyms ("strontium 90" is a kind of...):

atomic number 38; Sr; strontium (a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite)