true negative

initialism: TN
https://doi.org/10.1351/goldbook.11527
A model prediction of a negative result, such as no biological activity, when the true result is also negative.
Source:
PAC, 2016, 88, 239. (Glossary of terms used in computational drug design, part II (IUPAC Recommendations 2015)) on page 258 [Terms] [Paper]