D defs.my
Entry 2 senses Webster, 1913

Anaërobic

· An·a·ë·rob·ic · IPA
01 a. Not requiring air or oxygen for life; -- applied especially to those microbes to which free oxygen is unnecessary; anaërobiotic; -- opposed…
  1. 1.
    Not requiring air or oxygen for life; -- applied especially to those microbes to which free oxygen is unnecessary; anaërobiotic; -- opposed to aërobic.(Biol.)
  2. 2.
    Relating to, or like, anaërobies; anaërobiotic.(Biol.)