BioScience Dictionary

 
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Found Toxicity test 1 time.

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1. Toxicity test
Controlled laboratory test to determine the toxicity of a chemical to an organism in terms of specific chemical concentrations. An acute toxicity test establishes the concentration required to kill a predetermined proportion of test organisms within a relatively short period of time, typically 4 d or less. A chronic toxicity test reveals the effects of a sublethal concentration applied throughout all or part of the life cycle.