- (Brazil) IPA(key): /teʁ.miˈõ.ni.ku/ [teɦ.mɪˈõ.ni.ku], (faster pronunciation) /teʁˈmjõ.ni.ku/ [teɦˈmjõ.ni.ku]
- (Brazil) IPA(key): /teʁ.miˈõ.ni.ku/ [teɦ.mɪˈõ.ni.ku], (faster pronunciation) /teʁˈmjõ.ni.ku/ [teɦˈmjõ.ni.ku]
- (São Paulo) IPA(key): /teɾ.miˈõ.ni.ku/ [teɾ.mɪˈõ.ni.ku], (faster pronunciation) /teɾˈmjõ.ni.ku/
- (Rio de Janeiro) IPA(key): /teʁ.miˈõ.ni.ku/ [teʁ.mɪˈõ.ni.ku], (faster pronunciation) /teʁˈmjõ.ni.ku/
- (Southern Brazil) IPA(key): /teɻ.miˈo.ni.ko/ [teɻ.mɪˈo.ni.ko], (faster pronunciation) /teɻˈmjo.ni.ko/
- Rhymes: (Brazil) -õniku
- Hyphenation: ter‧mi‧ô‧ni‧co
termiônico (feminine termiônica, masculine plural termiônicos, feminine plural termiônicas) (Brazilian Portuguese spelling)
- (physics) thermionic