Title: chronic exposure
Long Title: IUPAC Gold Book - chronic exposure
DOI: 10.1351/goldbook.16232
Status: current

Definition
Continued exposures occurring over an extended period of time, or a significant fraction of the test species’ or of the group of individuals’, or of the population’s lifetime.

Related Term
- acute exposure: https://goldbook.iupac.org//terms/view/16230

Source
- PAC, 2007, 79, 1583. 'Explanatory dictionary of key terms in toxicology (IUPAC Recommendations 2007)' on page 1595 (https://doi.org/10.1351/pac200779091583)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/16232/html
- json: https://goldbook.iupac.org/terms/view/16232/json
- xml: https://goldbook.iupac.org/terms/view/16232/xml

Citation: Citation: 'chronic exposure' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.16232
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .
Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-04-20T21:23:23+00:00