an explosion caused by the ignition of an inflammable dust, such as flour or sawdust, in the air
noun 1. a hand-operated device for spraying pesticide or dusting plants.
noun, Slang. 1. a habitual user of angel dust.
[duhst-heep] /ˈdʌstˌhip/ noun 1. a or pile of rubbish, refuse, or the like. 2. oblivion; obscurity; disregard; disuse: He was consigned to the dustheap after many years of public service.
[duhs-tin] /ˈdʌs tɪn/ noun 1. a male given name.