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investigational

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adjective in·ves·ti·ga·tion·al \in-ˌves-tə-ˈgā-shnəl, -shə-nəl\

Definition of investigational

  1. 1 :  of or relating to investigation <investigational activities>

  2. 2 :  relating to or being a drug or medical procedure that is not approved for general use but is under investigation in clinical trials regarding its safety and efficacy <an investigational new drug>



1905

First Known Use of investigational

1905


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expressing little or no emotion

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