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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.
The meaning of DUST is fine particles of matter (as of earth). How to use dust in a sentence.
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.
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
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.
Dust definition: earth or other matter in fine, dry particles.. See examples of DUST used in a sentence.
DUST meaning: 1 : fine dry powder that builds up inside buildings on surfaces that have not recently been cleaned; 2 : fine powder made up of very small pieces of earth or sand
Dust is very small pieces of matter in the air or on surfaces. Dust particles are made of different things including dirt, material from volcanic eruptions, and pollution. Dust can also contain small amounts of plant pollen, hair from people or animals, skin cells, and many other things. [1]
Sep 27, 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
