quantal effect

antonym: graded effect
synonym: all-or-none effect
https://doi.org/10.1351/goldbook.14965
Condition that can be expressed only as "occurring" or "not occurring", such as death or occurrence of a tumor.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 933 [Terms] [Paper]
Citation: 'quantal effect' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.14965 RIS BibTex EndNote
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