- (Brazil) IPA(key): /aʁˈɡõ.ni.u/ [aɦˈɡõ.nɪ.u], (faster pronunciation) /aʁˈɡõ.nju/ [aɦˈɡõ.nju]
- (Brazil) IPA(key): /aʁˈɡõ.ni.u/ [aɦˈɡõ.nɪ.u], (faster pronunciation) /aʁˈɡõ.nju/ [aɦˈɡõ.nju]
- (São Paulo) IPA(key): /aɾˈɡõ.ni.u/ [aɾˈɡõ.nɪ.u], (faster pronunciation) /aɾˈɡõ.nju/
- (Rio de Janeiro) IPA(key): /aʁˈɡõ.ni.u/ [aʁˈɡõ.nɪ.u], (faster pronunciation) /aʁˈɡõ.nju/
- (Southern Brazil) IPA(key): /aɻˈɡo.ni.o/ [aɻˈɡo.nɪ.o], (faster pronunciation) /aɻˈɡo.njo/
argônio m (uncountable)
- Brazilian Portuguese standard spelling of argónio.