What's the difference between chord and triad?

Chord


Definition:

  • (n.) The string of a musical instrument.
  • (n.) A combination of tones simultaneously performed, producing more or less perfect harmony, as, the common chord.
  • (n.) A right line uniting the extremities of the arc of a circle or curve.
  • (n.) A cord. See Cord, n., 4.
  • (n.) The upper or lower part of a truss, usually horizontal, resisting compression or tension.
  • (v. t.) To provide with musical chords or strings; to string; to tune.
  • (v. i.) To accord; to harmonize together; as, this note chords with that.

Example Sentences:

  • (1) The scleral arc length is slightly longer than the chord length (caliper setting).
  • (2) I'm sure Evan wouldn't mind me saying that he makes no secret of an occasional discomfort about conventional chord-change playing in jazz, and tends to sit out occasions where it's required, as he did last year in London on a gig in which the pianist Django Bates was reworking Charlie Parker tunes.
  • (3) He’s struck a few chords with the immigration stuff, and he’s managed to capture the most valuable asset in a campaign, which is the attention of the press.
  • (4) The mean value of outer villous perimeter, mean chord length and per cent area were respectively 46.9 mu (X 1000 mu 2) with a standard deviation of 4.6, 57.7 mu (standard deviation 9.3) and 66.1% (standard deviation 7.4).
  • (5) This is shown by serial reconstruction analysis of the largest diameter of synapses from maximal arc and chord length measurements at the subpial and supra Purkinje level.
  • (6) Nevertheless, Dickens's preoccupation with class in Great Expectations strikes a chord with Coltrane, who gives a good idea of what it means to him when he recalls coming across a few Bullingdon Club types outside a restaurant in Soho one night.
  • (7) From the intersection points, epicardial and endocardial circumferential chord and arc lengths were measured and angular twist of mid and apical levels with respect to the base (maximal torsion and its reversal, untwisting) was calculated.
  • (8) Although such allegations have been made before in numerous news outlets, and in a controversial one-man show by playwright Mike Daisey, this time they have struck a chord.
  • (9) Zonal Vct and percent shortening along the proximal, middle and distal chords were measured.
  • (10) Clinical appearance of mitral incompetence associated with mitral dysplasia (abnormal connective tissue structure in the cusps and chordae, with significant accumulation of acid mucopolysaccharides) is dependent on the extent of regurgitation, its pathogenetic mechanism (sudden or progressive), the presence of the prolapsing cusp syndrome, and attendant complications (endocarditis, chord abruption).
  • (11) In the larynx, changes in the area of the vocal chord and the cartilaginous laryngeal structures were investigated in particular.
  • (12) Bridget's combination of self-loathing, enthusiasm and hope against the odds struck a chord.
  • (13) In his recent autobiography, Wild Tales , Graham Nash – of the Hollies and Crosby Stills & Nash – recalled the effect the song had on him when he heard it at a school dance in Salford: "It was like the opening of a giant door in my soul, the striking of a chord... from which I've never recovered … From the time when I first heard the Everly Brothers, I knew I wanted to make music that affected people the way the Everlys affected me."
  • (14) The poem touches a chord, because it doesn't deal with the often incoherent motivations of those who smashed up Tottenham and elsewhere, but the feelings of the rest of us: shocked, unsettled and confused.
  • (15) It appears simple perhaps in its chording but generally, to actually play what we play and how we play it, it’s not simple.
  • (16) During some maneuver, at least one akinetic chord occurred in 57% of patients and out-of-phase chords in 33% of patients.
  • (17) While it is true that a descending chromatic four-chord progression is a common convention that abounds in the music industry, the similarities here transcend this core structure,” Klausner wrote.
  • (18) The voltage dependence of the K+ chord conductance (gK) also shifted positive along the voltage axis, and the maximum conductance increased, with elevation of [K+]out.
  • (19) The chord conductance of the channel decreased with membrane depolarization from 14.6 pS at -104 mV to only 9.9 pS at -54 mV.
  • (20) Specifically, chords 5.9 times longer on average (range = 5.4-6.2) were required on the proximal forearm than on the index finger pad.

Triad


Definition:

  • (n.) A union of three; three objects treated as one; a ternary; a trinity; as, a triad of deities.
  • (n.) A chord of three notes.
  • (n.) The common chord, consisting of a tone with its third and fifth, with or without the octave.
  • (n.) An element or radical whose valence is three.

Example Sentences:

  • (1) The triad of epigastric pain unrelieved by antacids, bilious vomiting, and weight loss, particularly after a gastric operation should make one suspect this syndrome.
  • (2) The syndrome initially described by Behçet in 1937 comprised the triad of ocular inflammation, oral and genital ulcers.
  • (3) The diagnostic triad of pneumoperitoneum on x-ray, evidence or history of CMV infection, and AIDS occurred in 70 percent of patients.
  • (4) The characteristic signs and symptoms represent the triad of a pulsatile mass in the upper part of the abdomen, intermittent hemorrhage in the upper part of the gastrointestinal tract and severe epigastralgia not relieved by antacids.
  • (5) Cardiac myxomas typically present as a triad of obstructive, embolic, and constitutional symptoms and thus mimic many more common systemic illnesses.
  • (6) A mother and daughter both presented at age 5 years with the triad of right-sided congenital cholesteatoma, right preauricular pits, and bilateral sensorineural hearing loss.
  • (7) Traumatic hemobilia is commonly associated with cavitary injuries to the liver, and is classically characterized by a triad of findings: GI bleeding, biliary colic, and jaundice.
  • (8) The tryptase sequence includes the essential residues of the catalytic triad and an aspartic acid at the base of the putative substrate binding pocket that confers P1 Arg and Lys specificity on tryptic serine proteases.
  • (9) The authors observed in one child and AGR triad and in two patients deformities of the skeleton of the head and lower extremities.
  • (10) The prospects of further progress in radiation therapy, based on the triad of patient care, teaching and research, now seem assured.
  • (11) Dermatopathia pigmentosa reticularis is a rare heritable disorder consisting of a triad of cutaneous findings including reticulate hyperpigmentation, noncicatricial alopecia, and onychodystrophy.
  • (12) The classical triad of symptoms seen in hemochromatosis (cirrhosis of the liver, diabetes mellitus, and skin pigmentation) are often supplemented by cardiomyopathy.
  • (13) The clinical history of acute pyelonephritis, avascular mass lesion of the kidney with ipsilateral pleural effusion (triad) seen in a female patient of child-bearing age is characteristic of this condition.
  • (14) In contrast, changes at Arg-7, Lys-12 and any one proline residue in the triad moderately reduced, and substitution of Lys-19 showed little effect on, activity.
  • (15) Four of the six patients had a progressive triad of ear pain, facial paralysis, and sensory loss in the second and third divisions of the trigeminal nerve.
  • (16) Skeletal muscle triads are possessing the whole set of enzymes of the phosphatidylinositol (PI)-linked signal generating pathway, PI-kinase, PI(4)P-kinase, and PI(4,5)P2-phospholipase C (PLC).
  • (17) In the present experiments, neurons were plated together in close apposition as pairs or as triads, with the tip of one Retzius cell touching the soma of another.
  • (18) The triad of generalized seborrheic dermatitis, failure to thrive, and diarrhea in an infant should bring to mind Leiner disease or severe combined immunodeficiency disease.
  • (19) These structures were concentrated in the perinuclear regions of peripheral muscle nuclei and were less abundant about the triad regions.
  • (20) A liver biopsy was performed in one patient 8 months after total pancreatectomy and islet autotransplantation; numerous clusters of islet cells staining strongly for insulin and glucagon were detected within portal triads on both wedge and needle biopsy specimens.