flatus

[fley-tuh s] /ˈfleɪ təs/
noun, plural flatuses.
1.
intestinal gas produced by bacterial action on waste matter in the intestines and composed primarily of hydrogen sulfide and varying amounts of methane.
Also called gas.
Origin
1660-70; < Neo-Latin; Latin: a blowing, breathing, breath, equivalent to flā(re) to blow + -tus suffix of v. action
Examples from the web for flatus
  • flatus is flammable, as both methane and hydrogen are flammable gases.
  • However, not all humans produce flatus that contains methane.
British Dictionary definitions for flatus

flatus

/ˈfleɪtəs/
noun (pl) -tuses
1.
gas generated in the alimentary canal
Word Origin
C17: from Latin: a blowing, snorting, from flāre to breathe, blow
Word Origin and History for flatus
n.

1660s, from Latin flatus "a blowing," from flare "to blow" (see blow (v.1)).

flatus in Medicine

flatus fla·tus (flā'təs)
n.
Gas generated in or expelled from the digestive tract, especially from the stomach or intestines.