ADJ. fine | brick, coal, radioactive
QUANT. cloud, layer The tractor came up the track in a cloud of dust. There was a layer of fine dust on the table. | particle, speck Remove any particles of dust on the surface of the paint. microscopic specks of dust
VERB + DUST gather Her chess set lay on a shelf gathering dust. | be covered in/with
DUST + VERB lie The dust now lay in a thick layer on her piano.
DUST + NOUN cloud | particle | storm