Free dictionary online: translation in English, Spanish, French, Italian, Chinese, Russian, definitions, synonyms...
Results found in several dictionaries: Collins, Medical, Collaborative Dictionary
biodiversité 
  nf biodiversity

biodiversité   n f biodiversity

Collaborative Dictionary     French-English
biodiversité nm. biodiversity Reverso General Dictionary 
***
'biodiversité' also found in translations in English-French dictionary
biodiversity n. la biodiversité Reverso General Dictionary 
biological diversity n. la biodiversité Reverso General Dictionary 

"Collins English French Electronic Dictionary © HarperCollins Publishers 2005"