cosmic dust

1. 1.

   clouds of particles or gases occurring throughout interstellar space

   Broadercloud

Questions about cosmic dust

What does cosmic dust mean?

cosmic dust means "clouds of particles or gases occurring throughout interstellar space".

Is cosmic dust a common word?

cosmic 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.