a group of three, especially of three closely related persons or things.
Chemistry.
an element, atom, or group having a valence of three.
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.
Military. Triad, 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.
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
First recorded in 1540–50; from Latin triad- (stem of trias ), from Greek triás; see tri-, -ad 1
A triad is three things or people considered as one unit. A triad is a trio. A triangle is a shape with three sides. Similarly, a triad is a set of three things or people. To be a triad, three individual parts must also be considered a unit. A band with three members is a triad. A business with three divisions is a triad. A family with three members is a triad. A book with three volumes is a triad (usually called a trilogy). Triads are also called threesomes and trios.
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Among nuclear insiders, the sanctity of the Triad has been an article of faith for decades, as bedrock a belief as the Holy Trinity has been to the Catholic Church.
From Slate • Feb. 2, 2024
In this case, Bruce's Groundlings improv instruction is literally his secret weapon to dealing with the various Triad members who only know how to approach situations through violence or intimidation.
From Salon • Jan. 4, 2024
You are now standing on the site of ancient Rome’s most important religious monument, the Temple of the Capitoline Triad: Jupiter Optimus Maximus, Juno Regina and Minerva.
From New York Times • May 1, 2023
The subsidiary’s coverage area includes Charlotte, Durham and the Triad.
From Seattle Times • Mar. 1, 2023
Indeed, we have seen that the Hindu Triad, Brahma, Vishnu, and Siva, has very nearly its counterpart in Tezcatlipoca, Tlaloc, and the celestial Huitzlipochtli, the Creator, Preserver, and Destroyer and Reproducer.
From Ophiolatreia An Account of the Rites and Mysteries Connected with the Origin, Rise, and Development of Serpent Worship in Various Parts of the World by Anonymous
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
