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:
Patient Comments Share Your Story. 1  Indigestion is an uncomfortable feeling of fullness, pain, or burning in your upper abdomen. 2  Symptoms of indigestion include. 3  abdominal pain, 4  heartburn or acid indigestion (acid reflux), 5  bloating, 6  gas, 7  nausea, 8  acidic taste in the mouth, 9  stomach discomfort, 10  constipation or diarrhea, and. 11  decreased appetite. 12  Indiges