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 is often a sign of an underlying problem, such as gastroesophageal reflux disease (GERD), ulcers, or gallbladder disease, rather than a condition of its own. Also called dyspepsia, it is defined as a persistent or recurrent pain or discomfort in the upper abdomen. The symptoms of indigestion include:
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.