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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

By demonstrating how urea could form naturally under Archean conditions and showing that it acts as both a nutrient and an inhibitor, the researchers revealed how subtle chemical balances shaped Earth's early biosphere.

From Science Daily • Nov. 2, 2025

The apparent attempted assassination of former President Donald Trump sent shock waves through the geo-political biosphere, as U.S. leaders chimed in to condemn the attack.

From Salon • Jul. 14, 2024

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

One of them even featured two monkeys in a self-contained biosphere complete with oxygen-generating plants and a food-pellet delivery mechanism.

From "October Sky" by Homer Hickam




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