Median concentration resulting in developmental malformations for \(\pu{50\%}\) of exposed test animals within a predetermined time, e.g., \(\pu{96 h}\).
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 776 (https://doi.org/10.1515/pac-2015-1202)