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From German Ökologie, from Ancient Greek οἶκος(oîkos, house) + -λογία(-logía, study of)


  • (UK) IPA(key): /ɛˈkɒlədʒi/, IPA(key): /ɪˈkɒlədʒi/
  • (US) enPR: ĕkŏlŏjĕ, IPA(key): /i.ˈkɑ.lə.dʒi/
  • Hyphenation: ecol‧ogy


ecology (countable and uncountable, plural ecologies)

  1. The branch of biology dealing with the relationships of organisms with their environment and with each other.
    • 1949 - Bruce Kiskaddon, George R. Stewart Earth Abides
      As a graduate student, he was working on a thesis: The Ecology of the Black Creek Area. He had to investigate the relationships, past and present, of men and plants and animals in this region.
    • 2012 January 1, Robert M. Pringle, “How to Be Manipulative”, in American Scientist[1], volume 100, number 1, page 31:
      As in much of biology, the most satisfying truths in ecology derive from manipulative experimentation. Tinker with nature and quantify how it responds.


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