Triad (anatomy)
WordNet

noun


(1)   A three-note major or minor chord; a note and its third and fifth tones
(2)   Three people considered as a unit
(3)   A set of three similar things considered as a unit
(4)   The cardinal number that is the sum of one and one and one
WiktionaryText

Etymology


From , stem of , from ; applied by British authorities to underground society in Hong Kong based on geometry of Chinese character.

Noun



  1. A grouping of three
  2. A chord consisting of a root tone, the tone two degrees higher, and the tone four degrees higher in a given scale.
  3. on a CRT display, A group of three neighbouring phosphor dots, coloured green, red, and blue.
  4. A collective term that describes many branches of the underground society based in Hong Kong.
 
x
OK