Definition of biosphere

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  • biosphere is a valid Scrabble US word with a point value of 16
  • biosphere is a valid Scrabble UK word with a point value of 16
  • biosphere is a valid Words with friends word with a point value of 17

Definition of biosphere

  • the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist (noun)

See definition of biosphere in Merriam Webster