(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.
Farmer's Lung is an allergic disease usually caused by breathing in the dust from moldy hay. However, dust from any moldy crop-straw, corn, silage, grain, or even tobacco-can also cause Farmer's Lung.s the name suggests, Farmer's Lung is caused by inhaling certain allergy-causing dust found in some agricultural operations. A recent study shows that exposure to organochlorines and carbamate pesticides may also be risk factors for farmer's lung.