triad

/'traiəd/
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triad

A musician plays a triad on the piano.

Definition
  1. Noun:
    • A three-note chord in music: A "triad" is a fundamental chord consisting of three notes: a root note, its third, and its fifth. It forms the basis of harmony in Western music.
    • A group of three people or things: A "triad" refers to a set of three similar or related people or things considered as a single unit.
    • The number three: In formal or technical contexts, "triad" can denote the cardinal number three.
    • A secret society: In specific contexts, particularly related to organized crime, a "triad" can refer to a Chinese secret society or criminal organization.
Examples of Usage
  • Noun (Music):
    • The C major triad consists of the notes C, E, and G.
    • The piece begins with a simple minor triad.
  • Noun (Group of three):
    • The management triad made the final decision.
    • The triad of primary colors is red, blue, and yellow.
  • Noun (The number three):
    • The data was analyzed in triads.
  • Noun (Secret society):
    • The police were investigating the activities of a powerful triad.
Advanced Usage
  • "The Hegelian triad": In philosophy, this refers to the three-stage dialectical process of thesis, antithesis, and synthesis proposed by Hegel.
    • The concept's development followed a Hegelian triad.
  • "The unholy triad": A phrase used to describe a notorious or problematic group of three elements.
    • The report identified an unholy triad of corruption, fraud, and negligence.
Variants and Related Words
  • Triadic (adj): Pertaining to or involving a triad.
    • The composer used a triadic harmonic structure.
  • Triadism (n): A system or principle based on groups of three.
  • Tri- (prefix): A prefix meaning three, as in (three angles) or (three wheels).
Synonyms
  • Trio: A group of three people, especially musicians.
  • Trinity: A group of three people or things, often with a sacred or formal connotation (e.g., the Holy Trinity).
  • Threesome: A group of three people (informal).
  • Triplet: A group of three identical or similar things, or one of three children born at one birth.
  • Ternion: A set or group of three (formal/literary).
Related Phrases
  • "The triad of...": A common structure for naming a significant set of three concepts.
    • The triad of mind, body, and spirit is central to this philosophy.
Related Idioms
  • "Rule of three": A writing principle suggesting that things that come in threes are inherently more satisfying and effective. While not using the word "triad," it describes the same concept of triple groupings.
    • The joke used the classic rule of three for its punchline.
triad

A musician plays a triad on the piano.

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

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