triad

[ trahy-ad, -uhd ]

/ ˈtraɪ æd, -əd /

SEE SYNONYMS FOR triad ON THESAURUS.COM

noun

a group of three, especially of three closely related persons or things.

Chemistry.

an element, atom, or group having a valence of three.Compare monad (def. 2), dyad (def. 3).
a group of three closely related compounds or elements, as isomers or halides.

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.

(initial capital letter)Military. the three categories of strategic-nuclear-weapons delivery systems: bombers, land-based missiles, and missile-firing submarines.

Origin of triad

1540–50; <Latin triad- (stem of trias) <Greek triásSee tri-, -ad¹

OTHER WORDS FROM triad

tri·ad·ic, adjectivetri·ad·ism, noun

Words nearby triad

triacetic acid, triacid, triacontanol, triacylglycerol, triacylglycerol lipase, triad, triadelphous, triad syndrome, triage, trial, trial and error

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for triad

Her triad helps us understand what postmodernism is doing to us.
Zany, Cute, Interesting: What the Words We Use Say About Us|Benjamin Lytal|October 23, 2012|DAILY BEAST
The Clinton triad united for the final event of the summit, with Bill, Hillary, and Chelsea appearing together on stage.
The CGI's 6 Best Moments|The Daily Beast Video|September 21, 2011|DAILY BEAST
It is still based on maintaining thousands of hydrogen bombs in a triad of missiles, subs, and bombers.
Will Obama End the Nuclear Era?|Joseph Cirincione|April 12, 2010|DAILY BEAST
Abby Ellin visits the next frontier of nuptials: the "triad."
Threesome Marriages|Abby Ellin|May 7, 2009|DAILY BEAST

As with a couple, the key to making a triad work is communication.
Threesome Marriages|Abby Ellin|May 7, 2009|DAILY BEAST
The "triad of stars," too, had originally quite a different meaning, as will be seen later.
The Astronomy of the Bible|E. Walter Maunder
Five classes are included in this system, in all of which there are, besides other elements of symmetry, four triad axes.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7|Various
Keeping within the limits of the genus, we find that every triad agrees in being an odd number.
Aristotle|George Grote
Hen, or Hoa, the third god of the first Triad, was not a prominent object of worship in Assyria.
The Seven Great Monarchies Of The Ancient Eastern World, Vol 2. (of 7): Assyria|George Rawlinson
This triad appears on the earth at the beginning of each Manwantara in the human form of Menu and his three sons.
The God-Idea of the Ancients|Eliza Burt Gamble

British Dictionary definitions for triad (1 of 2)

triad

/ (ˈtraɪæd) /

noun

a group of three; trio

chem an atom, element, group, or ion that has a valency of three

music a three-note chord consisting of a note and the third and fifth above it

an aphoristic literary form used in medieval Welsh and Irish literature

the US strategic nuclear force, consisting of intercontinental ballistic missiles, submarine-launched ballistic missiles, and bombers

Derived forms of triad

triadic, adjectivetriadism, noun

Word Origin for triad

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

British Dictionary definitions for triad (2 of 2)

Triad

/ (ˈtraɪæd) /

noun

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

Medical definitions for triad

triad

[ trī′ăd′, -əd ]

n.

A collection of three things or symptoms having something in common.

The transverse tubule, and the terminal cisternae on each side of it, in a skeletal muscle fiber.

单词	triad
释义	triad [ trahy-ad, -uhd ] / ˈtraɪ æd, -əd / SEE SYNONYMS FOR triad ON THESAURUS.COM noun a group of three, especially of three closely related persons or things. Chemistry. an element, atom, or group having a valence of three.Compare monad (def. 2), dyad (def. 3). a group of three closely related compounds or elements, as isomers or halides. 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. (initial capital letter)Military. the three categories of strategic-nuclear-weapons delivery systems: bombers, land-based missiles, and missile-firing submarines. Origin of triad 1540–50; <Latin triad- (stem of trias) <Greek triásSee tri-, -ad¹ OTHER WORDS FROM triad tri·ad·ic, adjectivetri·ad·ism, noun Words nearby triad triacetic acid, triacid, triacontanol, triacylglycerol, triacylglycerol lipase, triad, triadelphous, triad syndrome, triage, trial, trial and error Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for triad Her triad helps us understand what postmodernism is doing to us. Zany, Cute, Interesting: What the Words We Use Say About Us\|Benjamin Lytal\|October 23, 2012\|DAILY BEAST The Clinton triad united for the final event of the summit, with Bill, Hillary, and Chelsea appearing together on stage. The CGI's 6 Best Moments\|The Daily Beast Video\|September 21, 2011\|DAILY BEAST It is still based on maintaining thousands of hydrogen bombs in a triad of missiles, subs, and bombers. Will Obama End the Nuclear Era?\|Joseph Cirincione\|April 12, 2010\|DAILY BEAST Abby Ellin visits the next frontier of nuptials: the "triad." Threesome Marriages\|Abby Ellin\|May 7, 2009\|DAILY BEAST As with a couple, the key to making a triad work is communication. Threesome Marriages\|Abby Ellin\|May 7, 2009\|DAILY BEAST The "triad of stars," too, had originally quite a different meaning, as will be seen later. The Astronomy of the Bible\|E. Walter Maunder Five classes are included in this system, in all of which there are, besides other elements of symmetry, four triad axes. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7\|Various Keeping within the limits of the genus, we find that every triad agrees in being an odd number. Aristotle\|George Grote Hen, or Hoa, the third god of the first Triad, was not a prominent object of worship in Assyria. The Seven Great Monarchies Of The Ancient Eastern World, Vol 2. (of 7): Assyria\|George Rawlinson This triad appears on the earth at the beginning of each Manwantara in the human form of Menu and his three sons. The God-Idea of the Ancients\|Eliza Burt Gamble British Dictionary definitions for triad (1 of 2) triad / (ˈtraɪæd) / noun a group of three; trio chem an atom, element, group, or ion that has a valency of three music a three-note chord consisting of a note and the third and fifth above it an aphoristic literary form used in medieval Welsh and Irish literature the US strategic nuclear force, consisting of intercontinental ballistic missiles, submarine-launched ballistic missiles, and bombers Derived forms of triad triadic, adjectivetriadism, noun Word Origin for triad C16: from Late Latin trias, from Greek; related to Greek treis three British Dictionary definitions for triad (2 of 2) Triad / (ˈtraɪæd) / noun 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 Words related to triad triumvirate, troika, three, trine, triple, threesome, trinity, triplet, triangle, triplicate, trilogy, triptych, trey, ternion, triune, triunity Medical definitions for triad triad [ trī′ăd′, -əd ] n. A collection of three things or symptoms having something in common. The transverse tubule, and the terminal cisternae on each side of it, in a skeletal muscle fiber. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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triad

noun

Origin of triad

OTHER WORDS FROM triad

Words nearby triad

Example sentences from the Web for triad

British Dictionary definitions for triad (1 of 2)

noun

Derived forms of triad

Word Origin for triad

British Dictionary definitions for triad (2 of 2)

noun

Words related to triad

Medical definitions for triad

n.