Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary    
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
biosphere

bi·o·sphere

biosphere

pronunciation:
baI s fir
features:
Word Parts
part of speech: noun
definition: the part of the earth and its atmosphere in which living organisms can exist.