closed ecosystem

American  

noun

Ecology.

1. a self-replenishing ecosystem in which life can be maintained without external factors or outside aid.

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closed ecosystem Cultural  

1. An ecosystem in which no materials can leave or enter but through which energy from external sources can flow.

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The Earth is a closed ecosystem.

Example Sentences

Banks still face regulatory restrictions when it comes to blockchains, and mainly use private platforms that allow selected users in a closed ecosystem.

From The Wall Street Journal • Oct. 30, 2025

It is, effectively, a closed ecosystem and that keeps it secure.

From BBC • Mar. 21, 2024

One of the things I think is interesting is that it’s not really clear upfront whether an open or closed ecosystem is going to be better.

From The Verge • Jul. 26, 2022

Indeed, I Promise is a closed ecosystem that helps only a fraction of the many who need it.

From Los Angeles Times • Feb. 20, 2022

Make an app for the iPhone and it works only on Apple hardware—the same sort of closed ecosystem that sank the Mac's fortunes against Windows.

From Slate • Jan. 7, 2010