An example of a triad is two brothers and a sister.
- a group of three persons, things, ideas, etc.; trinity
- a musical chord of three tones, esp. one consisting of a root tone and its third and fifth
Origin of triadfrom Late Latin trias (gen. triadis) from Classical Greek trias (gen. triados) from treis, three
- A group of three.
- Music A chord of three tones, especially one built on a given root tone plus a major or minor third and a perfect fifth.
- A section of a Pindaric ode consisting of the strophe, antistrophe, and epode.
Origin of triadLate Latin trias triad- from Greek the number three ; see trei- in Indo-European roots.
left to right: C major, E minor, and D diminished triads
- A grouping of three.
- (music) A chord consisting of a root tone, the tone two degrees higher, and the tone four degrees higher in a given scale.
- (electronics) on a CRT display, a group of three neighbouring phosphor dots, coloured green, red, and blue.
- A branch of a Chinese underground criminal society, mostly based in Hong Kong.
From Latin triad-, stem of trias (“three, triad"), from Ancient Greek Ï„ÏÎ¹Î¬Ï‚ (trias); applied by British authorities to underground society in Hong Kong based on geometry of Chinese character.