ecosystem
- n a system formed by the interaction of a community of organisms with their physical environment
ecoterrorism
- n violence carried out to further the political or social objectives of the environmentalists
ecotourism
- n tourism to exotic or threatened ecosystems to observe wildlife or to help preserve nature
ecrevisse
- n tiny lobster-like crustaceans usually boiled briefly
- n small crayfish of Europe and Asia and western North America