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fine, dry particles of earth or any other substance small enough to be blown by the wind. See also coniosis and pneumoconiosis.
blood dust hemoconia.


1. Fine, dry particles of matter.
2. A cloud of fine, dry particles.


Etymology: AS
any fine, particulate, dry matter. Kinds of dust include inorganic dust and organic dust.


Occupational medicine A suspension of solid particles in air. See Coal dust, Inhalant, Nonasbestos dust, Nuclear dust.


heavy dust such as in dust storms or volcanic fallout may contaminate animal feed sufficiently to cause sand colic in horses. Ruminants seem not to be much affected.

dust balls
equine intestinal foreign bodies composed of plant fibers with a superficial coating of dense minerals. Because of their light weight they are often evacuated with the feces.
dust inhalation
important risk factor in etiology of coccidioidomycosis (corral dust), chronic obstructive pulmonary disease in horses (feed dust in stables).
dust mite
dust rhinotracheitis
dusty feed fed in a confined space such as a stable can cause chronic coughing due to rhinotracheitis in cattle.

Patient discussion about dust

Q. My friend told me that people who allergic to dust are actually allergic to small insect. Is he fooling with me?

A. thanks :)

Q. how exactly dust effects on asthmatic people? how can one avoid a dust environment?

A. some people try to dust proof there home,they change there matress once a year-----thay do not have rugs in there home---no curtains or draps --and they have someone else dust and clean/no pets.some people keep there pets and take allergie meds.

More discussions about dust
References in periodicals archive ?
I think businesses can go through their stuff and find unused desks and chairs and (for them) outdated equipment that can be donated to small business incubators or struggling nonprofits or schools where, rather than collecting dust or becoming landfill, it can collect appreciation.
The APU intake barrier air filter does its job of collecting dust and sand in the desert so well the filter eventually fills and collapses.
What a Christmas present - love as strong as death and forgiveness as an absolute - and yet, like a lot of Christmas presents, we leave them collecting dust on the shelf.
While fires can occur in any area of the foundry, the duct systems collecting dust, fumes and smoke easily can be overlooked.
Houllier is still not sure whether Murphy is a potential gem or another nearly man collecting dust in the Reds reserves.
Last June, a decision by the Convention on International Trade in Endangered Species (CITES) opened up limited Japanese trade in ivory with Zimbabwe, Botswana and Namibia (countries with healthy elephant populations), giving three governments an opportunity to unload almost 70 tons of ivory that were collecting dust in warehouses.
The system provides an interior with materials that avoid collecting dust, such as colour co-ordinated natural rubber mats instead of dust-collecting textile ones and upholstery that fulfils the cleaning regulations stated by the Swedish authorities.
A panicked dash to Play It Again Sports to rescue the set of golf clubs your wife sold off, because she decided to clean out the garage while you were napping and ``those were just collecting dust anyway''?
Not many people in the hallowed halls of the BBC can mention Wendy Craig show Honey For Tea without cringing, while US bombs After MASH, and Joanie Loves Chachie, are mercifully collecting dust in the video archives.
People have also been bringing along their own items to be valued - a lot of people who have things collecting dust in their lofts have no idea how much they are worth.

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