Substance
dust
dust [ duhst ]
Subclass of:
Particulate Matter
Definitions related to dust:
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A fine powdery material such as dry earth or pollen that can be blown about in the air.NCI ThesaurusU.S. National Cancer Institute, 2021
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Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed)NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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