mediant
/ˈmiːdɪənt/noun
- Music the third note of the diatonic scale of any key【乐】中音（音阶的第三音）; 音阶第三度。
词源
mid 18th cent.: from French médiante, from Italian mediante 'coming between', present participle of obsolete mediare 'come between', from late Latin mediare 'be in the middle of'.