English Dictionary

chronic toxicity

noun

The capacity of a substance to cause long-term or delayed adverse health effects.

Chronic toxicity is a long-term adverse effect of exposure to a substance.

意味（1）

The capacity of a substance to cause long-term or delayed adverse health effects.

The classical approach to the study of chronic toxicity has usually involved studies in two or more species of animals that are exposed by the routes and in the concentrations most appropriate for the toxic agent for periods ranging from several months to several years.