The word dust is a noun. Dust means (1) fine powdery material such as dry earth or pollen that can be blown about in the air, (2) free microscopic particles of solid material, (3) the remains of something that has been destroyed or broken up.
Dust is also a verb that means (1) remove the dust from, (2) rub the dust over a surface so as to blur the outlines of a shape, (3) distribute loosely, (4) cover with a light dusting of a substance.
The following articles and web pages elaborate on the word dust.
A duvet cover can protect your down comforter from body oils, dirt, and dust. Comforter covers with pore sizes smaller than 10 microns can provide protection from dust mite allergens as well.
https://www.downcomforters.us/care.htm
Air purifiers filter dust, smoke, pollen, pet dander, mold spores, and other airborne particulates in the air. Learn more about air purifiers and how they work.
https://www.aircleaners.us/air-purifiers.htm
HEPA filters are designed to filter the air by trapping 99.9% of airborne particles, such as dust, pollen, and tobacco smoke. HEPA stands for High Efficiency Particulate Air (filter).
https://www.hepafilters.us/
Whether your sleeping bag is synthetic or down, you will need to clean and dry it periodically in order to remove body oils, dust, and grime.
https://www.sleeping-bags.us/care.htm
The following articles provide recent dust-related news.
Martian dust clouds may create miniature statically-charged sparks, which could help researchers further understand the planet's atmosphere
Smithsonian. Monday, 01 Mar 2021 12:30:00 +0000.
Six months ago, as the dust settled after the chemical explosion that brought Beirut to its knees, designer Nada Ghazal put pen to paper to design a ring representing the resilience and strength of a city that will not be brought down.
By Kate Matthams, Senior Contributor. Forbes. Saturday, 27 Feb 2021 09:24:00 -0500.