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Pronunciation varies by accent · noun
The analysis of the biological activity of a substance, with reference to a standard preparation, using a culture of living cells, or a living creature..
Use bioassay when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Bioassay means The analysis of the biological activity of a substance, with reference to a standard preparation, using a culture of living cells, or a living creature..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use bioassay where its definition matches the intended context.
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