What's the difference between echo and peal?

Echo


Definition:

  • (n.) A sound reflected from an opposing surface and repeated to the ear of a listener; repercussion of sound; repetition of a sound.
  • (n.) Fig.: Sympathetic recognition; response; answer.
  • (n.) A wood or mountain nymph, regarded as repeating, and causing the reverberation of them.
  • (n.) A nymph, the daughter of Air and Earth, who, for love of Narcissus, pined away until nothing was left of her but her voice.
  • (v. t.) To send back (a sound); to repeat in sound; to reverberate.
  • (v. t.) To repeat with assent; to respond; to adopt.
  • (v. i.) To give an echo; to resound; to be sounded back; as, the hall echoed with acclamations.

Example Sentences:

  • (1) Type 1 changes (decreased signal intensity on T1-weighted spin-echo images and increased signal intensity on T2-weighted images) were identified in 20 patients (4%) and type 2 (increased signal intensity on T1-weighted images and isointense or slightly increased signal intensity on T2-weighted images) in 77 patients (16%).
  • (2) Streaming is shown to occur in water in the focused beams produced by a number of medical pulse-echo devices.
  • (3) That’s a criticism echoed by Democrats in the Senate, who issued a report earlier this month criticising Republicans for passing sweeping legislation in July to combat addiction , the Comprehensive Addiction and Recovery Act (Cara), but refusing to fund it.
  • (4) Sawers's views are echoed by both US and Israeli officials.
  • (5) Echocardiographic findings included an abrupt midsystolic, posterior motion (greater than 3 mm beyond the CD line) in five patients, multiple sequence echoes in six, and posterior coaptation of the mitral valve near the left atrial wall in six.
  • (6) These findings echo many of our own recent National Training Survey results , and raise concerns not just for trainees but also for patients and employers.
  • (7) A method using selective saturation pulses and gated spin-echo MRI automatically corrects for this motion and thus eliminates misregistration artifact from regional function analysis.
  • (8) Ejection fraction, %deltaD, and Vcf by LAO cineangiograms and echo were uniformly higher than corresponding measurements from RAO angio, and were often normal in the presence of other indicators of significant left ventricular dysfunction.
  • (9) A relation between ejection fraction (EF) and the echo minor dimension measurements in end diastole and end systole was formulated, which permitted estimation of the EF from the echo measurements.
  • (10) That motivation is echoed by Nicola Saunders, 25, an Edinburgh University graduate who has just been called to the bar to practise as a barrister and is tutoring Moses, an ex-convict, in maths.
  • (11) Echo delay discrimination by the bat Eptesicus fuscus had been investigated in an experiment with simulated targets jittering in range (Simmons 1979).
  • (12) These echoes, however, are not associated with acoustic shadowing.
  • (13) Protriptyline also widened the ventricular echo zone and allowed easy induction of long runs of ventricular tachycardia.
  • (14) A "visionary leader," said Tony Blair; "one of the greatest leaders of our time," echoed Bill Clinton.
  • (15) M-mode and two dimensional echocardiography demonstrated abnormal echoes in the left atrium, the density being 22.7 Hounsfield Unit.
  • (16) An unusual appearance of echoes behind the aorta bulging into the left atrium in diastole on both the M-mode and cross-sectional echo suggested this diagnosis prior to cardiac catheterization.
  • (17) Euromaidan was a delayed echo of the social unrest wave , driven by the country's economic failure; it collided with a diplomatic situation that was already fractious over Syria.
  • (18) Small oval cysts (less than or equal to 1 cm) with strong echo were all diagnosed colloid goiter.
  • (19) In the course of doing routine echocardiograms on patients with mitral prosthetic valves, we observed peculiar intracavitary echoes within the left ventricle.
  • (20) The spin-spin relaxation time T2 may be estimated using multiecho pulse sequences, but the accuracy of the estimate is dependent on the fidelity of the spin-echo amplitudes, which may be severely compromised by rf pulse and static field imperfections.

Peal


Definition:

  • (v. i.) To resound; to echo.
  • (n.) A small salmon; a grilse; a sewin.
  • (v. i.) To appeal.
  • (n.) A loud sound, or a succession of loud sounds, as of bells, thunder, cannon, shouts, of a multitude, etc.
  • (n.) A set of bells tuned to each other according to the diatonic scale; also, the changes rung on a set of bells.
  • (v. i.) To utter or give out loud sounds.
  • (v. t.) To utter or give forth loudly; to cause to give out loud sounds; to noise abroad.
  • (v. t.) To assail with noise or loud sounds.
  • (v. t.) To pour out.

Example Sentences:

  • (1) With the promise of a new set starting at midnight, his third of the night, I arrive around 11pm to hear him still in full flow, vein-popping saxophone pealing out into Mornington Crescent.
  • (2) Black smoke rising from the chapel's chimney signifies an inconclusive vote (traditionally damp straw was added to make the smoke black but a chemical compound is now used instead); white smoke – and the pealing of the basilica's bell to avoid any confusion about the colour of the smoke – means that a new pope has been elected.
  • (3) Of a sudden from the belfry in the square there broke out again a wild midnight peal of bells.
  • (4) Unique aspects of the prehistory and current distribution of the Polynesian rat (Rattus exulans Peale) have been applied to the problem of determining the biogeographical origin of its parasites as found on 'exulans only' islands of New Zealand.
  • (5) The peals of laughter that greeted this piece of deadpannery were perhaps indicative of the committee's eagerness to put its guest at his ease.
  • (6) In patients with myocardial infarction there was good correlation between the minimum plasma zinc level and the peal value of plasma enzymes, and also with some clinical estimators of prognosis.
  • (7) Furthermore, both the size and number of cells recovered in fractions 7 to 11 (which include the modal peal volume of unseparated hepatocytes) were increased.
  • (8) I ask you – would the Germans discriminate against our bicycles, if they thought we would discriminate against their BMWs?” he asked, to peals of laughter.
  • (9) The clang of an approaching train's warning to pedestrians to get off the open tracks has become part of the city's soundtrack, along with the constant honking of car horns, the five-times-a-day Muslim call to prayer, the occasional peal of church bells and the Friday afternoon siren that marks the start of the Jewish sabbath.
  • (10) Websites have been constructed; commemorative gold coins and stamps are to be issued; a peal of bells will ring from churches; a series of lectures around the world, starting with one by Neil MacGregor, director of the British Museum, will emphasise the document’s enduring importance; the British Library will host the largest exhibition in its history; special songs and poems will be performed; Magna Carta will even get its own display at the Notting Hill carnival.
  • (11) Ectoparasite records are presented for four species of commensal murid rodents (Rattus rattus palelae Miller & Hollister, R. argentiventer (Robinson & Kloss), R. exulans (Peale) and Mus musculus castaneus Waterhouse) in Sulawesi Utara, with particular reference to the potential for these arthropods to bite and transmit pathogens to humans.
  • (12) 2.57pm BST Bells have started pealing as the planes slowly come to a halt near assembled mourners.
  • (13) A little light relief amid the gravitas of an occasion which amounted to the most important ruling in the court's 61-year history was offered by a slip of the tongue by Vosskuhle who called the petitions to block the ESM "justified" before changing it to "unjustified" after being corrected by a colleague, as peals of laughter filled the courtroom.
  • (14) He is more obviously shy than Koenig – they met during a production of Romeo and Juliet at Columbia – but he has a ready grin and emits little peals of laughter at unexpected moments during our conversation.
  • (15) One man, carrying a large German flag which flaps in the wind, is heard greeting his friends with “Heil Deutschland” to be met by peals of laughter.
  • (16) Its peal will be answered by the bells of churches all along the river and theirs, in turn, echoed by others up and down the land.
  • (17) Her laughter is the only kind I've ever heard that actually deserves the word "peals": she reels in her seat with it.
  • (18) Band-pass was set up between 1 and 125 Hz and latencies and amplitudes were studied for both types of evoked responses, PEATs and PEALs.
  • (19) Linearity in the intrinsic and radiation sensitized response of the 280 degree C TL peal for both pellet and powder forms has been studied with regard to ultraviolet dosimetry over the range 10(-2) to 5 x 10(4) mJ cm-2.
  • (20) A little light relief amidst the gravitas of an occasion which amounted to the most important ruling in the court's 61 year history was offered by a slip of the tongue by Vosskuhle who called the petitions to block the ESM “justified” before changing it to “unjustified” after being corrected by a colleague, as peals of laughter filled the courtroom.