„usnic acid“: noun usnic acid [ˈʌsnik]noun | Substantiv s Overview of all translations (For more details, click/tap on the translation) Usnin Usnin(säurefeminine | Femininum f)neuter | Neutrum n (C18 H16 O7) usnic acid biology | BiologieBIOL chemistry | ChemieCHEM usnic acid biology | BiologieBIOL chemistry | ChemieCHEM