NOEC
Bounded definition
The highest tested concentration with no statistically detected effect under that design and analysis.
Do not infer more: It is bounded by the tested concentrations, power and endpoints and does not mean zero risk.
Wording people may use
no observed effect concentration, no effect concentration.
Use the term in context
Continue with editorial and evidence method, structured research map. The glossary standardizes wording; the linked guide carries the practical method, evidence and decision boundary.
Editorial definition reviewed 2026-08-12. It adds no diagnosis, universal care target or new biological evidence. Challenge this wording or provide a source.