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:
There are many accompanying symptoms of indigestion, which itself is usually a symptom of an underlying problem.4 Symptoms of indigestion can include: 1  Pain in your abdomen. 2  Nausea and vomiting. 3  Burning in stomach or upper belly. 4  Fullness during or after meal. 5  Burping and gas. 6  Acidic taste in your mouth.