Triadic
noun
1.
a group of three, especially of three closely related persons or things.
2.
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.
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.
(initial capital letter) Military. the three categories of strategic-nuclear-weapons delivery systems: bombers, land-based missiles, and missile-firing submarines.
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
noun
1.
any of several Chinese secret societies, esp one involved in criminal activities, such as drug trafficking
triad tri·ad (trī’ād’, -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.
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