coaler
Coal carrier.
A carrier. This individual may not show the undesirable trait, but can pass on the recessive allele to their offspring.
small pieces of coal are called slack. Thank you!
A coal seam
Excavated coal is commonly referred to as "mined coal."
A coal mine is typically referred to as a coal mine.
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Metamorphosed coal is called Anthracite.
coal ship
Small lumps of coal can be referred to as "coal nuggets" or "coal chunks."
Coal that is still in the ground is referred to as coal seam or coal deposit.
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