Containing, composed of, or resembling bitumen; (of coal) yielding bitumen when heated.
From Latin 'bituminosus,' derived from 'bitumen.' The suffix '-ous' means 'full of' or 'characterized by,' so the word literally means 'full of bitumen.'
Bituminous coal is the most common type mined—it's a middle-grade coal that's softer than anthracite but produces more energy than lignite, making it perfect for power plants!
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