wood coal
English Thesaurus
1. a carbonaceous material obtained by heating wood or other organic matter in the absence of air (noun.substance)
| hypernym | : | atomic number 6, c, carbon, |
| definition | : | an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds (noun.substance) |
| hypernym | : | fuel, |
| definition | : | a substance that can be consumed to produce energy (noun.substance) |
2. intermediate between peat and bituminous coal (noun.substance)
| hypernym | : | coal, |
| definition | : | fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period (noun.substance) |
| hypernym | : | humate, |
| definition | : | material that is high in humic acids (noun.substance) |
| hyponym | : | jet, |
| definition | : | a hard black form of lignite that takes a brilliant polish and is used in jewelry or ornamentation (noun.substance) |
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