What's the difference between knocker and percussive?

Knocker


Definition:

  • (n.) One who, or that which, knocks; specifically, an instrument, or kind of hammer, fastened to a door, to be used in seeking for admittance.

Example Sentences:

  • (1) Party conferences are always weird melanges of loyal door-knockers, lobbyists, journalists and parliamentarians enjoying a few days of stolen glamour.
  • (2) During Rio's carnival, large groups of suburban gang members - the "bate-bolas" (ball-knockers) - congregate in the city for a huge costume challenge .
  • (3) Yet as much screen time is devoted to her wholly unlikely quarry: one Paul Spector (Jamie Dornan, excellent), a mild-mannered grief counsellor who enjoys jogging and jolly family days out when he's not strangling trainee solicitors or scribbling pictures of his clients' knockers in his notepad while they try to tell him about their dead children.
  • (4) 75 min: "Andy Gray seems to be attracting a lot of knockers; I once saw him having lunch with Suzanne Dando in my local gymnasium restaurant, on that same subject," writes Matt Savage.
  • (5) 4.54pm BST "It's been such a long, hard season and so many knockers and so many people going against us.
  • (6) I say "possibly" because no one knows what gender the shooty-bang thing you controlled in Space Invaders was because it didn't have stubble or knockers to define itself by.
  • (7) He was an antique dealer by now, a "knocker", and in his youth, after the first world war, had been a violinist in a dance orchestra on grand transatlantic liners.
  • (8) Kidd has insisted that his new prize is not there to "do down" the Booker but to provide an alternative, but the Booker knockers have, of course, seen it differently.
  • (9) The QALY pliers tend to play down the former and the QALY knockers the latter.
  • (10) Top universities not to blame for lack of diversity, say state headteachers Read more The college, which was founded in 1509 and is thought to be named after an ancient brass door knocker that now hangs in the dining hall, offered places to 11% of the state school students who applied there, according to the study’s analysis of Oxford’s admissions figures for 2012-14.

Percussive


Definition:

  • (a.) Striking against; percutient; as, percussive force.

Example Sentences:

  • (1) The results of the Tinel percussion test, the Phalen wrist-flexion test, and the new test were evaluated in thirty-one patients (forty-six hands) in whom the presence of carpal tunnel syndrome had been proved electrodiagnostically, as well as in a control group of fifty subjects.
  • (2) It imitates the conventional percussion massage of the thorax by introducing high-frequency gas oscillations (300 impulses per minute) into the tracheobronchial system.
  • (3) The effect of manual percussion of the thorax in nine patients with stable chronic airflow obstruction and excessive tracheobronchial secretion has been studied.
  • (4) In seven patients with severe respiratory distress, conventional mechanical ventilation and PEEP were used initially for respiratory support, which was changed to high-frequency percussive ventilation (HFPV) at the same level of airway pressure and FIO2.
  • (5) The effect of indomethacin administration on the mortality rate of brain-injured rats was studied in four groups of animals subjected to a level of injury with a fluid-percussion apparatus predetermined to cause 50% mortality (50% lethal dose, or LD50).
  • (6) This study presents a new device for producing experimental, concussive head injury together with a detailed description of biomechanical features of fluid percussion brain injury in the cat.
  • (7) A newer technique, ausculatory percussion, has been reported as having a far higher sensitivity.
  • (8) Sheep fail to demonstrate changes in any of these variables after severe percussive wave brain trauma.
  • (9) Beneficial effects for opiate receptor antagonists have also been observed after fluid percussion head injury in cats.
  • (10) The chi-square results indicated that the peptostreptococcus were significantly related to apical radiolucency and B. melaninogenicus were significantly related to percussion or foul smell.
  • (11) These data demonstrate that fluid percussion injury in the rat reproduces many of the features of head injury observed in other models and species.
  • (12) Facebook Twitter Pinterest SprungDigi crew member creating percussion sounds for MusicMix.
  • (13) The subcutaneous thickening, the tenderness on compression and percussion of the hypothenar eminence or Raynaud's phenomenon of the last fingers should arise the suspicion of this syndrome, which will be confirmed by a positive Allen's test, Doppler examination or digitalized angiography.
  • (14) Bladder percussion produced contraction of the wall of the bladder and this was regularly associated with increased arterial mean and pulse pressures, a decreased heart rate and calf and hand blood flow, and venoconstriction.
  • (15) 10 out of 26 cases of pneumothorax could be suspected by percussion dullness.
  • (16) 31P magnetic resonance spectroscopy was used to determine the intracellular free Mg2+ concentration prior to and following fluid percussion induced traumatic brain injury in rats.
  • (17) This model employs the same fluid percussion device commonly used in in vivo brain injury studies.
  • (18) The fluid percussion device was attached over the right parietal cortex and a moderate (2.0 atm) intensity injury was produced.
  • (19) Neurological examinations revealed that she had facial diplegia, inverted V-shaped mouth, high-arched palate, talipes equinus, percussion myotonia of the tongue, generalized muscular atrophy and weakness, lordosis, areflexia, and congenital cataracta.
  • (20) The visco-elastic properties of a healthy tooth enabling the percussion of the Periotest tapping head to be decelerated in less than 1 ms are largely lost in periodontitis.

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