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.
What Is Known About Indigestion. Indigestion, also called functional dyspepsia, is one of the most common gastrointestinal conditions. Symptoms generally follow eating and include an acidic taste in the mouth, belching, gas, growling stomach, abdominal bloating, an uncomfortable feeling of fullness, and nausea.