dust

There is so much dust released during the process of laying ballast that the trackside operator wears a full face mask with respirator.

Astronomers have previously considered that dust produced by the star was obscuring it, causing the steep decline in brightness.

to touch a dust of England's ground

[…] once they start school, I mean you can do a room out one day, the next day it only needs a dust, doesn't it?

For now shall I sleep in the dust.

For I will leave my relics in your land, / And you may carve a shrine about my dust, / And burn a fragrant lamp before my bones, / When I am gather'd to the glorious saints.

And by the merit of vile gold, dross, dust.

[God] raiseth up the poor out of the dust.

'And what do you ask for it?' 'Fifteen thousand dollars.' 'I'll take it.' 'Then down with the dust.'

to raise, or kick up, a dust