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.
Common indigestion symptoms and signs include: Abdominal pain. Heartburn or acid indigestion (acid reflux) Bloating (full feeling) Excessive gas (belching, burping or flatulence) Nausea with or without vomiting. Acidic taste in the mouth. Gurgling, rumbling, or growling stomach discomfort.