(comparative more colloquial, superlative most colloquial) ( 1 linguistics) Denoting a manner of speaking or writing that is characteristic of familiar conversation; informal.  Of or pertaining to a conversation; conversational or chatty.
Cotton dust is often present in the air during cotton handling and processing. Cotton dust may contain many substances including ground-up plant matter, fiber, bacteria, fungi, soil, pesticides, non-cotton matter, and other contaminants that may have accumulated during growing, harvesting, and subsequent processing or storage periods.
Top 10 facts about the world. Dust pneumonia is a serious lung infection that develops because of excessive exposure to dust. Often, this type of infection occurs when dust and dirt enter the respiratory system because of a dust storm and interfere with the proper functioning of the lungs.op 10 facts about the world. Dust pneumonia is a serious lung infection that develops because of excessive exposure to dust. Often, this type of infection occurs when dust and dirt enter the respiratory system because of a dust storm and interfere with the proper functioning of the lungs.