| NOUN | substance | brown coal, lignite, wood coal | intermediate between peat and bituminous coal |
|---|
| Meaning | Intermediate between peat and bituminous coal. | |
|---|---|---|
| Synonyms | lignite, wood coal | |
| Narrower | jet | A hard black form of lignite that takes a brilliant polish and is used in jewelry or ornamentation |
| Broader | coal | fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period |
| humate | material that is high in humic acids | |
| Spanish | lignito | |
| Catalan | lignit | |
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