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  1. Dust - Wikipedia

    Dust in homes is composed of about 20–50% dead skin cells. [2] The rest, and in offices and other built environments, is composed of small amounts of plant pollen, human hairs, animal fur, textile fibers, …

  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 to be carried …

  3. What Is Dust Exactly—and How to Reduce It in Your Home

    Jun 23, 2025 · Dust is made up of various indoor and outdoor particles, like dead skin cells, dust mites, soil, and pet dander. Poorly maintained HVAC systems and high humidity can lead to higher levels of …

  4. DUST Definition & Meaning - Merriam-Webster

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

  5. What Is Dust Even Made Of? (And How to Manage It)

    Mar 13, 2025 · Although dust is a natural by-product of being a person and having stuff, it can trigger allergies and asthma or worsen underlying health conditions for sensitive groups, particularly those …

  6. What Exactly Is Dust Made Of? - Biology Insights

    6 days ago · Dust is a collection of fine, solid particles suspended temporarily in the air or settled on surfaces. This ubiquitous material is found everywhere—in the atmosphere, on city streets, and …

  7. dust - National Geographic Society

    Oct 19, 2023 · 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, …

  8. dust in our homes and explains the connection between dust and the air we breathe at home, while providing information and resources to empower readers to take action within their own homes. We …

  9. DUST | definition in the Cambridge English Dictionary

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

  10. How haboob dust storms form in the Southwest and why they’re …

    Massive walls of dust and debris called haboobs that roll through the U.S. Southwest can be awe-inspiring and terrifying, especially for motorists caught in their path.