Definitions for "SUBCHRONIC"
Of intermediate duration, usually used to describe studies or periods of exposure lasting between 5 and 90 days.
Related to repeated dose exposure over a short period, usually about 10% of the life span; an imprecise term used to describe exposures of intermediate duration. PS subacute. RT subacute effect, subchronic effect, subchronic toxicity, subchronic toxicity test. SN semichronic.
Intermediate between acute and chronic toxicities; subchronic toxicity studies involve repeated daily exposures of animals to a chemical for part (not exceeding 10%) of a lifespan. In rodents, this period extends up to 90 days of exposure.