noun Etymology: Latin triad-, trias, from Greek, from treis three Date: 1546 1. a union or group of three ; Trinity 2. a chord of three tones consisting of a root with its third and fifth and constituting the harmonic basis of tonal music • triadic adjectivetriadically adverb

New Collegiate Dictionary. 2001.

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  • triad — [trī′ad΄] n. [< LL trias (gen. triadis) < Gr trias (gen. triados) < treis,THREE] 1. a group of three persons, things, ideas, etc.; trinity 2. a musical chord of three tones, esp. one consisting of a root tone and its third and fifth: a… …   English World dictionary

  • Triad — Tri ad, n. [L. trias, adis, Gr. ?, ?, fr.?, ?, three: cf. F. triade. See {Three}, and cf. {Trias}, {Trio}.] 1. A union of three; three objects treated as one; a ternary; a trinity; as, a triad of deities. [1913 Webster] 2. (Mus.) (a) A chord of… …   The Collaborative International Dictionary of English

  • triad — ► NOUN 1) a group or set of three connected people or things. 2) (also Triad) a Chinese secret society involved in organized crime. DERIVATIVES triadic adjective. ORIGIN Greek trias, from treis three …   English terms dictionary

  • triad — (= triad junction) The junction between the T tubules and the sarcoplasmic reticulum in striated muscle …   Dictionary of molecular biology

  • triad — англ. [тра/йэд] triade ит. [триа/дэ], фр. [триад] Triade нем. [триа/дэ] трезвучие …   Словарь иностранных музыкальных терминов

  • triad — 1540s, group or set of three, from L.L. trias (gen. triadis), from Gk. trias (gen. triados), from treis three (see THREE (Cf. three)). Musical sense of chord of three notes is from 1801 …   Etymology dictionary

  • Triad — A triad, a group of three, may refer to:Computers*Triad, group of three phosphor dots used in some computer monitors *Triad C64, Commodore 64 cracking group * Rise Of The Triad , a computer game *TriadCity, a MUD with strong literary… …   Wikipedia

  • triad — triadic, adj. triadism, n. /truy ad, euhd/, n. 1. a group of three, esp. of three closely related persons or things. 2. Chem. a. an element, atom, or group having a valence of three. Cf. monad (def. 2), dyad (def. 3) …   Universalium

  • triad — [[t]tra͟ɪæd[/t]] triads (The spelling Triad is also used for meaning 1.) 1) N COUNT: usu pl, oft N n The Triads were Chinese secret societies in old China that were often associated with organized crime. Chinese gangs from Hong Kong, known as the …   English dictionary

  • triad — 1. A collection of three things having something in common. 2. The transverse tubule and the terminal cisternae on each side of it in skeletal muscle fibers. 3. SYN: portal t.. 4. The father, mother, and child relationship projectively… …   Medical dictionary

  • triad — Synonyms and related words: arpeggio, broken chord, chord, clover, common chord, concento, concord, consonant chord, deuce ace, diminished seventh chord, dominant chord, enharmonic, leash, major triad, minor chord, set of three, seventh chord,… …   Moby Thesaurus

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