principio attivo

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Italian

Etymology

Literally, active principle. Compare French principe actif.

Noun

principio attivo m (plural principi attivi)

  1. (medicine) active ingredient
    • 2021, Masterchef Italia, season 10, episode 9, spoken by Bruno Barbieri:
      La cipolla rossa di Tropea invece contiene molto ossido nitroso, lo stesso principio attivo della pillolina blu.
      The red onion of Tropea, on the other hand, contains a lot of nitrous oxide, the same active ingredient of the little blue pill.