coal dust en · NOUN
Meanings
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(alt-of, alternative, uncountable) Alternative form of coaldust.
alt of coaldust
As she goes, you have a wash yourself, and although you will have to change your clothes to get rid of all the coal-dust, you are glad of soap and water and take it easy at last.
1956 February, W. A. Tuplin, “Hot Work on a "Star"”, in Railway Magazine, page 94: