en lignin (n, substance)
― IsA ⟶
Weight: 2.0
en polymer (n, substance) Source: Open Multilingual WordNet
en lignin (n)
― IsA ⟶
Weight: 1.0
en organic compound (n) Source: OpenCyc 2012
en lignin (n)
― IsA ⟶
Weight: 1.0
en polymer (n) Source: OpenCyc 2012
en lignin (n)
― IsA ⟶
Weight: 1.0
en tangible thing (n) Source: OpenCyc 2012