(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.
Byssinosis is a disease of the lungs resulting from the inhalation of dust produced by cotton or vegetable fibers. Classified as a form of occupational asthma, byssinosis can lead to chronic lung disease, including life-long asthma. There is no cure for byssinosis, so reducing or eliminating dust exposure is essential for successful treatment.