triad

Etymology
From, stem of , from.

Sense 3 (“branch of a Chinese underground criminal society”) is due to the word being applied by the British authorities to underground society in Hong Kong based on the geometry of the Chinese character, derived from a name used by some of those societies,, referring to the union between heaven, earth, and humanity.

Noun

 * 1) A grouping of three.
 * 2) A word of three syllables.
 * 3) A branch of a Chinese underground criminal society, mostly based in Hong Kong.
 * 4)  On a CRT display, a group of three neighbouring phosphor dots, coloured green, red, and blue.
 * 5)  A chord consisting of a root tone, the tone two degrees higher, and the tone four degrees higher in a given scale OR any chord with three notes.
 * 1) A branch of a Chinese underground criminal society, mostly based in Hong Kong.
 * 2)  On a CRT display, a group of three neighbouring phosphor dots, coloured green, red, and blue.
 * 3)  A chord consisting of a root tone, the tone two degrees higher, and the tone four degrees higher in a given scale OR any chord with three notes.
 * 1)  On a CRT display, a group of three neighbouring phosphor dots, coloured green, red, and blue.
 * 2)  A chord consisting of a root tone, the tone two degrees higher, and the tone four degrees higher in a given scale OR any chord with three notes.

Translations

 * Bulgarian:
 * Czech:
 * Esperanto:
 * Finnish:
 * French: ,
 * Galician: tríade
 * German:
 * Greek:
 * Italian:
 * Norwegian: trio, triade
 * Occitan:
 * Russian:
 * Spanish: tríada
 * Swedish: ,
 * Turkish:


 * Chinese:
 * Cantonese: 三和弦
 * Mandarin: 三和弦
 * Czech:, trojzvuk
 * Finnish:
 * German:
 * Swedish:


 * Chinese:
 * Cantonese: 三合會, 黑社會
 * Mandarin: ,
 * Finnish:
 * French:
 * German:
 * Italian:
 * Japanese: 三合会
 * Korean: 삼합회
 * Mongolian: триад
 * Russian:
 * Swedish:
 * Vietnamese: Hội Tam Hoàng,