Library / English Dictionary |
ATOMIC NUMBER 38
I. (noun)
Sense 1
Meaning:
A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
Synonyms:
atomic number 38; Sr; strontium
Classified under:
Hypernyms ("atomic number 38" is a kind of...):
metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Hyponyms (each of the following is a kind of "atomic number 38"):
strontium 90 (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)
Holonyms ("atomic number 38" is a substance of...):
celestite (a mineral consisting of strontium sulphate)
strontianite (a mineral consisting of strontium carbonate)