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View synonyms for triad

triad

[ trahy-ad, -uhd ]

noun

  1. a group of three, especially of three closely related persons or things.
  2. Chemistry.
    1. an element, atom, or group having a valence of three. Compare monad ( def 2 ), dyad ( def 3 ).
    2. a group of three closely related compounds or elements, as isomers or halides.
  3. Music. a chord of three tones, especially one consisting of a given tone with its major or minor third and its perfect, augmented, or diminished fifth.
  4. Triad, Military. the three categories of delivery systems for strategic nuclear weapons, namely bombers, land-based missiles, and missile-firing submarines:

    The report says this missile is required in order to sustain an effective air leg of the Triad.



Triad

1

/ ˈtraɪæd /

noun

  1. any of several Chinese secret societies, esp one involved in criminal activities, such as drug trafficking
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


triad

2

/ ˈtraɪæd /

noun

  1. a group of three; trio
  2. chem an atom, element, group, or ion that has a valency of three
  3. music a three-note chord consisting of a note and the third and fifth above it
  4. an aphoristic literary form used in medieval Welsh and Irish literature
  5. the US strategic nuclear force, consisting of intercontinental ballistic missiles, submarine-launched ballistic missiles, and bombers
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • triˈadic, adjective
  • ˈtriadism, noun
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Other Words From

  • tri·ad·ic [trahy-, ad, -ik], adjective
  • tri·ad·ism noun
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Word History and Origins

Origin of triad1

First recorded in 1540–50; from Latin triad- (stem of trias ), from Greek triás; tri-, -ad 1
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Word History and Origins

Origin of triad1

C16: from Late Latin trias , from Greek; related to Greek treis three
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Example Sentences

Beijing, the senior partner in the triad, seeks to be the stable leader of a new world order, one that is not led by the US.

From BBC

The number three speaks to the idea of balance and the mystical idea that certain energies can only be accessed through triads.

From Salon

But the land-based part of the triad is actually the opposite of deterrence — it’s an invitation to be attacked.

From Salon

And as Norman Solomon and the late Daniel Ellsberg once wrote, “If reducing the dangers of nuclear war is a goal, the top priority should be to remove the triad’s ground-based leg — not modernize it.”

From Salon

Experimenters assigned some triads to go through a bonding session, where they were grouped according to color preferences, given uniforms, and led through an introductory chat session to build familiarity.

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