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.
People with indigestion may have one or more of the following symptoms: 1  Early fullness during a meal. 2  You haven't eaten much of your meal, but you already feel full and may not be able to finish eating. 3  Uncomfortable fullness after a meal.4  Fullness lasts longer than it should. 5  Discomfort in the upper abdomen.eople with indigestion may have one or more of the following symptoms: 1  Early fullness during a meal. 2  You haven't eaten much of your meal, but you already feel full and may not be able to finish eating. 3  Uncomfortable fullness after a meal. 4  Fullness lasts longer than it should.