Definition of oxygon in English:

oxygon

noun

Geometry
  • An acute-angled triangle. Now rare.

Origin

Early 17th century (in an earlier sense). From Middle French, French oxygone acute-angled from classical Latin oxygōnius or its etymon ancient Greek ὀξυγώνιος. In later use with ending remodelled after -gon. With use as noun compare earlier oxygonium.

Pronunciation

oxygon

/ˈɒksɪɡɒn//ˈɒksɪɡ(ə)n/