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Definitions

biosphere

[bahy-uh-sfeer] / ˈbaɪ əˌsfɪər /
NOUN
environment
Synonyms




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.

The island was designated a Unesco biosphere reserve in 2019, which recognises the sustainable ways in which local people work with their natural environment.

From BBC • Apr. 8, 2026

A planet with ten percent carbon dioxide -- if located farther from its sun or orbiting a dimmer, younger star -- could support a biosphere for up to 4.2 billion years.

From Science Daily • Oct. 12, 2025

Various forms of evidence suggest that the biosphere was more productive during the Miocene compared to now, and that at higher latitudes, this effect was more pronounced.

From Salon • Feb. 17, 2025

In contrast, land habitats make up less than 1 percent of the planet’s biosphere because the band of life is so narrow, making its volume quite small.

From New York Times • May 30, 2024

The emergence of aids, Ebola, and any number of other rain-forest agents appears to be a natural consequence of the ruin of the tropical biosphere.

From "The Hot Zone" by Richard Preston




Vocabulary lists containing biosphere