 brown_coal |
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| 1. | [ noun ] (geology) intermediate between peat and bituminous coal | |
| Synonyms: | lignite wood_coal | |
| Related terms: | coal humate jet | |
| Similar spelling: |
brain_coral brown_oak brown_cup brain_scan brown_sugar brown_snail brown_sauce Brownson broom_closet brown_creeper brown_ash brunch_coat brownstone brown-nose |
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