English noun: atomic number 92 | |||
1. | atomic number 92 (substance) a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons | ||
Synonyms | U, uranium | ||
Broader (hypernym) | metal, metallic element | ||
Narrower (hyponym) | uranium 235, uranium 238 | ||
Substance meronym | pitchblende, uraninite | ||