en chalcogen (n)
― IsA ⟶
Weight: 1.0
en element (n) Source: OpenCyc 2012
en selenium (n)
― IsA ⟶
Weight: 1.0
en chalcogen Source: English Wiktionary
en tellurium (n)
― IsA ⟶
Weight: 1.0
en chalcogen Source: English Wiktionary
en polonium (n)
― IsA ⟶
Weight: 1.0
en chalcogen Source: English Wiktionary
en Sulphur
― IsA ⟶
Weight: 1.0
en a chalcogen Source: Open Mind Common Sense contributors bryan
en Oxygen
― IsA ⟶
Weight: 1.0
en a chalcogen Source: Open Mind Common Sense contributors bryan