ecology

 
Pronunciation: /ɪˈkɒlədʒi, ɛ-/

noun

[mass noun]
  • the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
  • (Ecology) the political movement concerned with protection of the environment.

Derivatives

ecologist

noun

Origin:

late 19th century (originally as oecology): from Greek oikos 'house' + -logy