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closed ecosystem

American  

noun

Ecology.

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

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

The fact that the Samsung Galaxy Watch 4 and the Pixel Watch eschewed iOS hinted that Wear OS 3 would be a closed ecosystem.

From The Verge • Jun. 28, 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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.