en radium (n, substance)
― IsA ⟶
Weight: 2.0
en metallic element (n, substance) Source: Open Multilingual WordNet
en radium (n)
― IsA ⟶
Weight: 1.0
en alkaline earth metal Source: German Wiktionary
en radium 226 (n)
― IsA ⟶
Weight: 1.0
en radium (n) Source: OpenCyc 2012
en radium (n)
― IsA ⟶
Weight: 1.0
en radioactive substance (n) Source: OpenCyc 2012
en One of the chemical elements
― IsA ⟶
Weight: 1.0
en radium Source: Open Mind Common Sense contributors laserjoy
en radium (n)
― IsA ⟶
Weight: 1.0
en chemical element Source: German Wiktionary
en radium (n)
― IsA ⟶
Weight: 1.0
en unalloyed metal (n) Source: OpenCyc 2012