en urea (n, substance)
― IsA ⟶
Weight: 2.0
en organic compound (n, substance) Source: Open Multilingual WordNet
en urea (n)
― IsA ⟶
Weight: 1.0
en organic matter (n) Source: OpenCyc 2012
en urea (n)
― IsA ⟶
Weight: 1.0
en organic molecule (n) Source: OpenCyc 2012