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Dust is made of fine particles of solid matter. [1] 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. [2]

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

2021年9月26日 · 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

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 by the wind and heavy enough to be deposited on a surface.

2023年12月5日 · Dust is composed of a lot of different particles from skin cells to pollen and dust mites. Here, cleaning experts help us better understand what this common household nuisance is so we can control its accumulation.

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

2021年9月27日 · Everything in our homes gathers dust. But what exactly is it? Where does it come from, and why does it keep coming back? Is it from outside? Is it fibers from our clothes and cells from our skin?

DUST definition: dry fine powdery material, such as particles of dirt , earth or pollen | Meaning, pronunciation, translations and examples in American English

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