What's the difference between firearm and percussion?

Firearm


Definition:

  • (n.) A gun, pistol, or any weapon from a shot is discharged by the force of an explosive substance, as gunpowder.

Example Sentences:

  • (1) Biden will meet with representatives from six gun groups on Thursday, including the NRA and the Independent Firearms Owners Association, which are both publicly opposed to stricter gun-control laws.
  • (2) The severity of injury in a gunshot wound is dependent on many factors, including the type of firearm; the velocity, mass, and construction of the bullet; and the structural properties of the tissues that are wounded.
  • (3) Critical comparisons of Ba and Sb in firearms discharge residue were made on samples collected by three independent collection technqiues.
  • (4) It was the first time firearms were widely used against police, with around 90 officers wounded.
  • (5) It sent shockwaves through the entire armed policing community.” Chesterman added: “Morale among firearms officers is poor.
  • (6) Waco, Texas, will forever be known for the siege that began in February 1993 when agents of the Bureau of Alcohol, Tobacco and Firearms raided a compound owned by the Branch Davidian religious sect to investigate allegations of weapons hoarding.
  • (7) He calmly and politely volunteered: “Sir, I have to tell you I do have a firearm on me.” Police hunt and kill black people like Philando Castile.
  • (8) Firearms officers will test the cameras in their training environment in Gravesend, Kent, with a view to wearing them on duty if the pilot is a success.
  • (9) She said it was time there was an offence of possessing firearms with intent to supply, arguing: "Those people who are supplying the firearms are as guilty as the people using them when it comes to the impact."
  • (10) He recommended that skilled police officers be paid up to £2,000 more than they are now, and said a new expertise and professional accreditation allowance of £1,200 would be introduced for most detectives, firearms, public order and neighbourhood policing teams.
  • (11) Though 3D printers might change the regulatory picture for firearms in years or decades, the regulatability of guns remains intact for now.
  • (12) In 1993, at the Branch Davidian religious compound outside Waco, Texas, the Bureau of Alcohol, Tobacco and Firearms didn’t wait for the sect leader, David Koresh, to leave before attempting to arrest him and got into a gun battle that claimed 10 victims and led to a disastrous 51-day siege culminating in dozens more deaths.
  • (13) In 2010, while he was based at Fort Worth in Texas, he was arrested after discharging a firearm.
  • (14) Opinion polls suggest a clear majority in favour of requiring background checks on all firearms sales in Washington state including at gun shows and through private advertising.
  • (15) A total of 743 firearm-related deaths occurred during this six-year period, 398 of which (54 percent) occurred in the residence where the firearm was kept.
  • (16) The government flagged the forthcoming firearms legislation on Friday, adding to its previous announcement about an imminent bill to expand the powers of intelligence agencies , including to access the computers of people who are not the primary subject of an investigation.
  • (17) Not one more American serviceman or woman should be murdered on a military base because the government denied their right to defend themselves with a firearm.” Barack Obama’s defense department released a new directive on 18 November that clarifies the process of how commanders can give service members approval to carry their own personal weapons for self-defense on military bases.
  • (18) Seventy-four percent believed pediatricians have a responsibility to counsel families about firearms.
  • (19) The most recent figures, causing all the alarm, show that offences involving firearms increased by 13% to 5,864 in 2016 compared with 5,176 incidents in 2015.
  • (20) Agents of the US Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) concluded there could only be one customer for such a collection: the Mexican drug cartels fighting a bloody war against each other, the government and civilians south of the Texas border.

Percussion


Definition:

  • (n.) The act of percussing, or striking one body against another; forcible collision, esp. such as gives a sound or report.
  • (n.) Hence: The effect of violent collision; vibratory shock; impression of sound on the ear.
  • (n.) The act of tapping or striking the surface of the body in order to learn the condition of the parts beneath by the sound emitted or the sensation imparted to the fingers. Percussion is said to be immediate if the blow is directly upon the body; if some interventing substance, as a pleximeter, is, used, it is called mediate.

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.