Dictionary

bioassay

noun bio·as·say \ˌbī-(ˌ)ō-ˈa-ˌsā, -a-ˈsā\

Definition of BIOASSAY

:  determination of the relative strength of a substance (as a drug) by comparing its effect on a test organism with that of a standard preparation
bio·as·say \-a-ˈsā, -ˈa-ˌsā\ transitive verb

First Known Use of BIOASSAY

1912

bioassay

noun bio·as·say \-ˈas-ˌā, -a-ˈsā\   (Medical Dictionary)

Medical Definition of BIOASSAY

:  determination of the relative strength of a substance (as a drug) by comparing its effect on a test organism with that of a standard preparation
bio·as·say \-a-ˈsā, -ˈas-ˌā\ transitive verb

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