Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “ecosystem”

ecosystem

noun [C]  /ˈi·koʊˌsɪs·təm, ˈek·oʊ-/ us  
earth science all the plants, animals, and people living in an area considered together with their environment as a system of relationships: They are working to preserve the delicately balanced ecosystem of these wetlands.
(Definition of ecosystem from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of ecosystem?
Add Cambridge dictionaries to your browser to your website

Definitions of “ecosystem” in other dictionaries

Word of the Day

improvisation

a performance that an actor, musician, etc. has not practised or planned

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More