hornafræði

== Icelandic == === Etymology === From horn (“angle”) +‎ fræði (“science, studies”). === Pronunciation === IPA(key): /ˈhɔrtnaˌfraiːðɪ/ === Noun === hornafræði f (genitive singular hornafræði, no plural) trigonometry ==== Declension ==== ==== Related terms ==== hornafall