Lexic.us

Definition of Biosphere

1. Noun. The regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist.

Definition of Biosphere

1. Noun. the part of the Earth and its atmosphere capable of supporting life ¹

2. Noun. the totality of living organisms and their environment ¹

¹ Source: wiktionary.com

Definition of Biosphere

1. [n -S]

Medical Definition of Biosphere

1. All the regions of the world where living organisms occur. (21 Mar 1998)

Lexicographical Neighbors of Biosphere

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