dellimpatto
dell'impatto is the contracted form of the Italian preposition di combined with l'impatto, the masculine singular noun meaning impact or effect. It is used to express possession or relation in phrases such as “the impact of,” and appears before a noun that takes the definite article l’ (the) in Italian. The standard spelling includes the apostrophe after di, producing dell'impatto.
In usage, dell'impatto occurs in a wide range of formal and technical contexts. It is common in
Orthography and style notes: the correct form is dell'impatto with an apostrophe, because it is the result