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:
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.