Definitions

1. noun

The global sum of all ecosystems on Earth, including the atmosphere, hydrosphere, and lithosphere, that sustain life.

“The increasing pollution in the biosphere has become a significant concern for the global community.”

2. noun

A self-contained ecosystem, such as a forest or a desert, that supports a particular community of living organisms.

“The researchers studied the unique characteristics of the biosphere in the Amazon rainforest.”

3. verb

To surround or enclose something with the atmosphere or other conditions necessary to sustain life.

“The geodesic dome biospheres in the science museum allow visitors to experience the unique conditions of a closed ecosystem.”