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单词 triad
释义
See Triad

Triad


triad

1. Chem an atom, element, group, or ion that has a valency of three 2. Music a three-note chord consisting of a note and the third and fifth above it 3. an aphoristic literary form used in medieval Welsh and Irish literature

Triad

any of several Chinese secret societies, esp one involved in criminal activities, such as drug trafficking

triad

see DYAD AND TRIAD.

Triad

 

in music, a chord whose tones are arranged, or may be arranged, in thirds.

The term “triad” encompasses four chords that differ in structure and expressive quality. The division of a perfect fifth into two unequal thirds produces the two main types of triad: major (a major third plus a minor third) and minor (a minor third plus a major third), both of which are consonant. The major triad coincides with the first six tones of the harmonic series and, possibly because of this “natural” character, has a bright, joyful coloration. The minor triad opposes the “natural” order and has a dark, mournful sound. Consonant triads were the harmonic foundation of the major and minor tonal system that prevailed from the 17th through the 19th century. Major and minor triads form the basis of the two main tonalities of European music—major and minor. Consonant triads have remained significant even in 20th-century music.

Two triads composed of equal intervals are particularly important: the augmented triad, comprising two major thirds, and the diminished triad, comprising two minor thirds. Because they violate the consonance of a perfect fifth, both lack stability, force, and consonance, especially the diminished triad, which contains the dissonance of a diminished fifth. For this reason, their application is limited.

IU. N. KHOLOPOV


Triad

 

a term denoting the three-stage cycle, or triadic progression, of being and thought. As a theoretical concept, the triad was studied by Plato and the Neoplatonists, and particularly by Proclus. The triad forms the basic dialectical principle of development in the works of the German classical idealists—J. G. Fichte, F. von Schelling, and especially G. Hegel. According to Hegel, for whom the triad is also a means of constructing a philosophical system, all development consists of three stages: thesis, antithesis, and synthesis. The antithesis negates the thesis, and the synthesis in turn negates the antithesis. The synthesis, however, preserves and combines within itself certain properties of the preceding stages of development.

While accepting the principle of the triadic development of being and knowledge, the founders of Marxism rejected the Hegelian premise that the subject of triadic development is the absolute idea. In dialectical materialism, the concept of development must be understood not in terms of triads but as a process of contradictions—that is, a process involving the sublation of contradictions at a higher level of development by means of negation and the negation of the negation.

V. F. ASMUS

triad

[′trī‚ad] (computer science) A group of three bits, pulses, or characters forming a unit of data. (electronics) A triangular group of three small phosphor dots, each emitting one of the three primary colors on the screen of a three-gun color picture tube. (navigation) triplet

triad


triad

 [tri´ad] 1. an element with a valence of three.2. a group of three similar bodies, or a complex composed of three items or units.acute compression triad Beck's triad.Andersen's triad Andersen's syndrome.Beck's triad rising venous pressure, falling arterial pressure, and small quiet heart; characteristic of cardiac compression; called also acute compression triad.Cushing's triad decreased pulse, increased blood pressure, and a widening pulse pressure associated with increased intracranial pressure; it is a late clinical sign and may indicate brainstem herniation.Hutchinson's triad diffuse interstitial keratitis, labyrinthine disease, and Hutchinson's teeth, seen in congenital syphilis.Saint's triad hiatus hernia, colonic diverticula, and cholelithiasis.

tri·ad

(trī'ad), 1. A collection of three things having something in common. 2. The transverse tubule and the terminal cisternae on each side of it in skeletal muscle fibers. 3. Synonym(s): portal triad4. The father, mother, and child relationship projectively experienced in group psychotherapy. [G. trias (triad-), the number 3, fr. treis, three]

triad

Medspeak
A trilogy of clinical or pathologic findings, first described as typical for a particular disease but which often prove nonspecific.
Sexology
Three people, two of one sex and one of the other, in a continuing relationship of emotional and sexual involvement; i.e., a threesome with an emotional component.

triad

A trilogy of clinical or pathologic findings, first described as typical for
a particular disease, which often prove to be nonspecific. See Asthma triad, Autonomic triad, Behçet's triad, Carney's triad, Christian's triad, Charcot's triad, Epidemiologic triad, Female athlete triad, Hemochromatosis triad, Lennox's triad, Negative triad, Petit's triad, Renal cell carcinoma triad, Saint's triad, Somatostatinoma triad, Toxoplasmosis triad, Trotter's triad, Virchow's triad, Waterhouse-Friderichsen triad, Whipple's triad, Wilson's triad.

tri·ad

(trī'ad) 1. A group of three things with something in common. 2. The transverse tubule and the terminal cisternae on each side of it in skeletal muscle fibers. 3. Synonym(s): portal triad. 4. psychology/psychiatry The father-mother-child relationship projectively experienced in group psychotherapy. [G. trias (triad-), the number 3, fr. treis, three]

tri·ad

(trī'ad) 1. A collection of three things with something in common. 2. The transverse tubule and the terminal cisternae on each side of it in skeletal muscle fibers. [G. trias (triad-), the number 3, fr. treis, three]

TRIAD


AcronymDefinition
TRIADTranslating Research into Action for Diabetes (various locations)
TRIADTexas Resources for Iraq-Afghanistan Deployment (statewide foundation collaborative)
TRIADTactical Readiness Instruction, Authoring, and Delivery (software service; US Navy)
TRIADTechnology for Rotorcraft Integrated Analyses and Design
TRIADTeam Response: Indians against Defamation (mascots)
TRIADTechnology-Related Assistance of Individuals with Disabilities Act of 1988

triad


  • noun

Synonyms for triad

noun threesome

Synonyms

  • threesome
  • triple
  • trio
  • trinity
  • trilogy
  • triplet
  • triumvirate
  • triptych
  • trine
  • triune

Synonyms for triad

noun a group of three individuals

Synonyms

  • three
  • threesome
  • trine
  • trinity
  • trio
  • triple
  • triumvirate
  • triune
  • triunity
  • troika

Synonyms for triad

noun the cardinal number that is the sum of one and one and one

Synonyms

  • 3
  • deuce-ace
  • III
  • tercet
  • ternary
  • ternion
  • terzetto
  • three
  • threesome
  • trey
  • trine
  • trinity
  • trio
  • triplet
  • troika
  • tierce
  • leash

Related Words

  • digit
  • figure

noun a set of three similar things considered as a unit

Synonyms

  • triple
  • triplet
  • trio

Related Words

  • trilogy
  • triplicity
  • trigon
  • set

noun three people considered as a unit

Synonyms

  • threesome
  • trinity
  • trio

Related Words

  • assemblage
  • gathering
  • triumvirate

noun a three-note major or minor chord

Synonyms

  • common chord

Related Words

  • chord
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更新时间:2025/3/11 21:48:37