ecosphere.

1. A planetary ecological system considered as a whole, including organisms and their interacting surroundings.

2. A region around a star in which conditions may permit liquid water on a suitable planetary surface.

Use it for

Words that belong together

• the terrestrial ecosphere
• a planetary ecosphere

On the page

The report assessed damage to the ecosphere rather than to the settlement alone.

They argued over whether an isolated colony could preserve its own ecosphere.

Usage notes

Primary category: sci-fi. Forms: Singular ecosphere; plural ecospheres. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.