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biosphere
noun
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How to pronounce biosphere:

Definition of biosphere:

biosphere (noun):
the part of the world in which life can exist
the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist.

Synonyms for biosphere:

partplanetregion

Antonyms for biosphere:

spacevoiduniversecosmosheavens

Other 3-syllable words like biosphere

Here are some other common words that have 3 syllables, like biosphere does.

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