WordNet
n. dust resulting from writing with a piece of chalk; "the teacher's hands were covered with chalk dust"
Usage examples of "chalk dust".
His fingers were permanently yellowed with chalk dust rather than nicotine, but it was still the residue of an addicting substance.
A tiny man, less than five foot fourthe yarmulke held on to his thinning hair with kirby grips, a rim of close-cropped white beard, a tape measure slung around his neck, a grubby waistcoat on top of a threadbare cardigan, pins stuck in all over it and chalk dust smeared at the rims of its pockets.
Then he shuffled it into another stack, smeared with erasures and chalk dust, and lashed out with a foot, catching the floor scrubber a hard blow in the ribs.
There was yellow chalk dust on the socket end, but it didn't seem any worse for the encounter.
The sniff of chalk dust was in my nostrils and I ached to be busy again.
Then he shuffledit into another stack, smeared with erasures and chalk dust,and lashed out with a foot, catching the floor scrubber ahard blow in the ribs.
The particles in the air reminded him of chalk dust and he assumed all this powdery matter had simply floated off the walls and ceiling, further indications of the structure's fragility and age.