noun

fine, dry powder consisting of tiny particles of earth or waste matter lying on the ground or on surfaces or carried in the air.

the car sent up clouds of dust

fine powder,fine particles,dirt,grime,filth,smut,soot

verb

remove the dust or dirt from the surface of (something) by wiping or brushing it.

I broke the vase I had been dusting

wipe,clean,buff,brush,sweep,mop