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Dust is made of fine particles of solid matter. On Earth, it generally consists of particles in the atmosphere that come from various sources such as soil lifted by wind (an aeolian process), volcanic eruptions, and pollution. Dust in homes is composed of about 20–50% dead skin cells.
He hit the ground with his stick and a puff of dust rose up into the air. The truck went by in a swirl of dust. I blew the dust off the books. Erupting volcanoes discharge massive quantities of dust into the stratosphere.
Sep 26, 2021 · Some dust is natural, coming from rocks, soils and even space. But the DustSafe program is revealing Australian house dust can include nasties such as: trace metals. radioactive elements
Oct 19, 2023 · Dust is a collection of microscopic particles of material. 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, including sand.
Apr 29, 2024 · dust, in general, any microscopic, powderlike particle or collection of powderlike particles that is made up of sand, soil, fragments of organic tissue or manufactured materials, or some combination of these sources and is both light enough to be carried by the wind and heavy enough to be deposited on a surface.
The meaning of DUST is fine particles of matter (as of earth). How to use dust in a sentence.
DUST meaning: 1. dry dirt in the form of powder that covers surfaces inside a building, or very small dry pieces…. Learn more.
dust in British English. (dʌst ) noun. 1. dry fine powdery material, such as particles of dirt, earth or pollen. 2. a cloud of such fine particles. 3. the powdery particles to which something is thought to be reduced by death, decay, or disintegration.
Dust definition: earth or other matter in fine, dry particles.. See examples of DUST used in a sentence.
Dust is the fine, powdery substance that settles on surfaces over time or is blown around outdoors. A junk shop might be full of beautiful old furniture and books, all covered with dust. There's the dust you clean with a feather duster, and then there's the verb "to dust ."
