carbon monoxide. 1. a colorless, odorless, poisonous gas, CO, that burns with a pale-blue flame, produced when carbon burns with insufficient air: used chiefly in organic synthesis, metallurgy, and in the preparation of metal carbonyls, as nickel carbonyl. Origin of carbon monoxide. 1870-1875.
Indigestion (Dyspepsia) Definition and Facts. Indigestion is a general term that describes a group of gastrointestinal symptoms that occur together, including pain, a burning feeling, or discomfort in your upper abdomen; feeling full too soon while eating; and feeling uncomfortably full after eating.
Indigestion or dyspepsia is a disorder in which there may be symptoms of. 1  the sensation of abdominal fullness without visible distention (bloating), 2  abdominal pain above the navel, 3  burping and belching,  nausea with or without 1  vomiting, the sensation of fullness after a very small amount of food, 2  and. abdominal distention.