Meanings
nounadditionality (plural additionalities)
plural additionalities
- The property of being additional.
- economicsNet positive difference that results from economic development intervention. The extent to which an activity (and associated outputs, outcomes and impacts) is larger in scale, at a higher quality, takes place quicker, takes place at a different location, or takes place at all as a result of intervention. Additionality measures the net result, taking account of deadweight, leakage, displacement, substitution and economic multipliers.
Origin
Translations
French additionalité
- additionalitéthe property of being additional
Portuguese adicionalidade
- adicionalidadethe property of being additional
Cite this entry
APA
additionality. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/additionality
MLA
“additionality.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/additionality. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “additionality,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/additionality.
Source: additionality on Wiktionary, CC BY-SA 4.0.