Definition of oxazolone in English:

oxazolone

Pronunciation /ɒkˈseɪzələʊn/ /ɒkˈsazələʊn/

noun

Chemistry
  • Any of a class of compounds resembling oxazoles but with the CH:CH part of the oxazole ring replaced by CO·CH₂; specifically the parent compound C₃ H₃ NO₂.

Origin

Late 19th century. From oxazole + -one.