Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An organism, such as a bacterium, requiring oxygen to live. Also called aerobium.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any organism (but especially a bacterium) that can tolerate the presence of oxygen, or that needs oxygen to survive

from the GNU version of the Collaborative International Dictionary of English

  • n. an organism such as a microorganism that requires oxygen for life or growth.

from The Century Dictionary and Cyclopedia

  • n. One of the aërobia.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an organism (especially a bacterium) that requires air or free oxygen for life

Etymologies

French aérobie : Greek āēr, air; see aero- + Greek bios, life; see gwei- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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