en radioactive isotope (n)
― IsA ⟶
Weight: 1.0
en radioactive substance (n) Source: OpenCyc 2012
en beta emitter (n)
― IsA ⟶
Weight: 1.0
en radioactive isotope (n) Source: OpenCyc 2012
en radioactive isotope (n)
― IsA ⟶
Weight: 1.0
en isotope (n) Source: OpenCyc 2012
en alpha emitter (n)
― IsA ⟶
Weight: 1.0
en radioactive isotope (n) Source: OpenCyc 2012
en gamma emitter (n)
― IsA ⟶
Weight: 1.0
en radioactive isotope (n) Source: OpenCyc 2012