Amount of a substance or physical agent (radiation) that causes death when taken into the body by a single absorption (denoted by
LD).
See also: lethal concentration
Source:
PAC, 1993, 65, 2003. 'Glossary for chemists of terms used in toxicology (IUPAC Recommendations 1993)' on page 2063 (https://doi.org/10.1351/pac199365092003)