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BNC: 12935 COCA: 43572

coalfield

1 ENTRIES FOUND:
coalfield /ˈkoʊlˌfiːld/ noun
plural coalfields
coalfield
/ˈkoʊlˌfiːld/
noun
plural coalfields
Learner's definition of COALFIELD
[count]
: a large area where there is a lot of coal under the ground煤田

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