chalk dust

1. 1.

   dust resulting from writing with a piece of chalk

   “chalk dust covered the teacher's hands”

   Broaderdust

Questions about chalk dust

What does chalk dust mean?

chalk dust means "dust resulting from writing with a piece of chalk".

Is chalk dust a common word?

chalk dust is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.