You searched for: “flatus
flatus (s) (noun), flatuses (pl)
1. Gas in the digestive, or intestinal, tract: "Flatus from the lower intestinal tract contains hydrogen, methane, skatoles (white crystalline organic compound having a strong fecal odor), indoles (bacterial decomposition in the intestine), carbon dioxide, and small amounts of oxygen and nitrogen."
2. Expelling of gas, or air, from a body orifice; especially, the anus: "The passing of flatuses may average a dozen a day in some people and up to a hundred times in others."

"The foul smell usually is caused by small traces of gases; such as, hydrogen sulfide, ammonia, and methane."

This entry is located in the following unit: flat-, flatu- (page 1)