Anaerobia \An*a`["e]r*o"bi*a\, Anaerobes \An"aer*obes\,
Anaerobes \An*a"["e]r*obes\, n. pl. [NL. anaerobia; an-not +
a["e]ro- + Gr.? life.] (Bacteriol.)
Ana["e]robic bacteria. They are called {facultative
ana["e]robes} when able to live either in the presence or
absence of free oxygen; {obligate ana["e]robes}, or
{obligatory ana["e]robes}, when they thrive only in its
absence.
[Webster 1913 Suppl.]