(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.
Dust pneumonia facts Save this for later. Dust pneumonia is a medical condition that develops due to the excessive exposure to dust. This form of respiratory disorder affected a great number of people during 1930s in the US when the Dust bowl took place. The Dust bowl refers to a period of dust storms that affected American and Canadian prairies during a severe drought in1930s. The Dust Bowl caused ecological damage, agricultural depression and consequently economic and social disaster. Enormous amount of dust in the air caused dust pneumonia in large portion of the population and many died.