Substance
dust Audio
dust [ duhst ]
Subclass of:
Particulate Matter
Definitions related to dust:
  • A fine powdery material such as dry earth or pollen that can be blown about in the air.
    NCI
    U.S. National Cancer Institute, 2021
  • Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.