terziaria
Terziaria is an Italian adjective meaning “tertiary” or “third” in a sequence. It is used to designate a third level, stage, or component within a system of classification and appears across various fields. The term functions similarly to the English word tertiary and is found in both technical and everyday language.
In economics and policy, terziario typically refers to the service sector, known in Italian as the settore
In geology and historical chronologies, terziario historically denoted the Tertiary period, which spanned roughly from 66