ballon d'essai definition, ballon d'essai meaning | English dictionary

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ballon d'essai


      n   pl   , ballons d'essai   a project or policy put forward experimentally to gauge reactions to it  
   Compare       trial balloon  
     (C19: from French, literally: trial balloon)  
English Collins Dictionary - English Definition & Thesaurus  
See also:

balloon, ballonet, ball, ballot

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