Focus on the pronunciation of ecosystem
English definition of “ecosystem”
/ˈiːkəʊˌsɪstəm/ noun [C]
› ENVIRONMENT all the living things in an area and the way they affect each other and the environment: Three-quarters of these cork oak forests could be lost within the decade, threatening jobs and ecosystems.
› informal COMMERCE a group of businesses or business activities that affect each other and work well together: Independent musicians help to keep the ecosystem of popular music healthy.