英文英文字典

英文英文字典

古腾堡计划中的在线英语-英语词典

结果

Triad的结果

Triad (n.)
A union of three; three objects treated as one; a ternary; a trinity; as, a triad of deities.
Triad (n.)
A chord of three notes.
Triad (n.)
The common chord, consisting of a tone with its third and fifth, with or without the octave.
Triad (n.)
An element or radical whose valence is three.