(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 in Medicine. byssinosis bysÂ·siÂ·noÂ·sis (bÄ­s'Ä­-nÅ'sÄ­s) n. A form of pneumoconiosis that affects cotton, flax, and hemp workers and is characterized by symptoms, such as wheezing, that are most severe at the beginning of each work week. Also called brown lung disease.