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Definitions

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

  • n. An area constituting a natural ecological community with characteristic flora, fauna, and environmental conditions and bounded by natural rather than artificial borders.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An eco-region.

Etymologies

bio- +‎ region (Wiktionary)

Examples

Comments

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