资料来源 : Webster's Revised Unabridged Dictionary (1913)

Chordal \Chor"dal\, a.
   Of or pertaining to a chord.

资料来源 : WordNet®

chordal
     adj : relating to or consisting of or emphasizing chords; "chordal
           assonance in modern music"; "chordal rather than
           contrapuntal music"