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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.


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

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 ?
Hanno, who used to do stand-up comedy, managed to smile and say to himself, "Oh, God, please don't let that be the last image I see on this earth -- a big dust ball.''
--Light fixtures are dirty with dust balls and flies.
Interestingly, as Blum's dust balls grow, they tend to settle to the bottom of the jar, thus increasing the chance of collisions and further growth.
Maybe she wouldn't notice the cobwebs in the corners and the dust balls under the beds.