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  1. Dust - Wikipedia

    Atmospheric or wind-borne fugitive dust, also known as aeolian dust, comes from dry regions where high-speed winds can remove mostly silt-sized material, abrading susceptible surfaces.

  2. Dust | Description, Components, & Facts | Britannica

    Dust, in general, is any microscopic, powderlike particle or collection of powderlike particles that is made up of sand, soil, fragments of organic tissue, or other materials and is both light enough …

  3. DUST Definition & Meaning - Merriam-Webster

    The meaning of DUST is fine particles of matter (as of earth). How to use dust in a sentence.

  4. dust - National Geographic Society

    Dust is heavy enough to see and light enough to be carried by the wind. Dust can be made up of pollen, bacteria, smoke, ash, salt crystals from the ocean, and small bits of dirt or rock, …

  5. What Is Dust Made Of and Where Does It Come From?

    Nov 10, 2025 · Dust is a mixture of microscopic particles, known as particulate matter (PM), that is either suspended in the air or settled on surfaces. It is present in all indoor and outdoor …

  6. DUST | English meaning - Cambridge Dictionary

    DUST definition: 1. dry dirt in the form of powder that covers surfaces inside a building, or very small dry pieces…. Learn more.

  7. Is There Always Dust in the Air? A Scientific Answer

    Aug 18, 2025 · Explore the scientific reasons why dust is an inescapable part of our atmosphere. Understand its origins, impacts, and how to effectively manage its presence.

  8. DUST definition in American English | Collins English Dictionary

    Dust is the very small pieces of dirt which you find inside buildings, for example, on furniture, floors, or lights. I could see a thick layer of dust on the stairs.

  9. What is dust? And where does it all come from? - The Conversation

    Sep 26, 2021 · You and your pets are constantly contributing skin cells and hair to dust. Dust is also made up of decomposing insects, bits of food, plastic and soil.

  10. Dust - definition of dust by The Free Dictionary

    Far behind, as in a race or competition: a marketing strategy that left our competitors in the dust.