First Known Use: 1546
Dictionary
triad
noun tri·ad \ˈtrī-ˌad also -əd\
: a group of three usually related people or things
: a secret Chinese criminal organization
Full Definition of TRIAD
1
: a union or group of three : trinity
2
: a chord of three tones consisting of a root with its third and fifth and constituting the harmonic basis of tonal music
— tri·ad·ic \trī-ˈa-dik\ adjective
— tri·ad·i·cal·ly \-di-k(ə-)lē\ adverb
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Origin of TRIAD
Latin triad-, trias, from Greek, from treis three
Rhymes with TRIAD
Akkad, aoudad, Baghdad, Belgrade, Carlsbad, caudad, comrade, Conrad, crash pad, crawdad, doodad, dorsad, dryad, dyad, egad, farad, Flagstad, footpad, gonad, granddad, heptad, horn-mad, ironclad, keypad, launchpad, maenad, monad, mouse pad, Murad, naiad, nicad, nomad, NORAD, notepad, pentad, pleiad, postgrad, scratch pad, Sinbad, tetrad, touch pad, triclad
TRIADIC Defined for Kids
triad
noun tri·ad \ˈtrī-ˌad\
Definition of TRIAD for Kids
: a chord made up usually of the first, third, and fifth notes of a scale
Medical Dictionary
triad
noun tri·ad \ˈtrī-ˌad also -əd\
Medical Definition of TRIAD
1
: a union or group of three <a triad of symptoms>
2
: a trivalent element, atom, or radical
—tri·ad·ic \trī-ˈad-ik\ adjective
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