English noun: atomic number 38 | |||
1. | atomic number 38 (substance) a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite | ||
Synonyms | Sr, strontium | ||
Broader (hypernym) | metal, metallic element | ||
Narrower (hyponym) | strontium 90 | ||
Substance meronym | celestite, strontianite | ||