What's the difference between echo and refrain?

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.

Refrain


Definition:

  • (v. t.) To hold back; to restrain; to keep within prescribed bounds; to curb; to govern.
  • (v. t.) To abstain from
  • (v. i.) To keep one's self from action or interference; to hold aloof; to forbear; to abstain.
  • (v.) The burden of a song; a phrase or verse which recurs at the end of each of the separate stanzas or divisions of a poetic composition.

Example Sentences:

  • (1) In partial reshunting on the background of considerable improvement in hemodynamics and the general condition of the patient, one may refrain from carrying out an operation again and continue dynamik observation of the patient.
  • (2) The Kremlin has so far refrained from dealing with mounting anger against people from Russia's turbulent North Caucasus region, as well as migrant workers from central Asia, which has grown as the country's oil-fuelled economic boom has given way to the hardship of the global financial crisis.
  • (3) The son of the slain Afghan police commander (who is the husband of one of the killed pregnant woman and brother of the other) says that villagers refer to US Special Forces as the "American Taliban" and that he refrained from putting on a suicide belt and attacking US soldiers with it only because of the pleas of his grieving siblings.
  • (4) Last week he argued that properly primed immigrants will "see off the racists" - as if once blacks and Asians could conjugate their verbs properly and learn the date of the Battle of Agincourt, then racists would refrain from attacking them.
  • (5) But Rouhani can still use his position as the public face of the Islamic republic to defend Rezaian, which he has refrained from doing, at least so far.
  • (6) Both promiscuous and nonpromiscuous male homosexuals should refrain from giving blood.
  • (7) Nevertheless, because of the uncertain future of any type of implant, especially new, we have encouraged the patients to follow a careful postoperative management program and refrain from heavy activity during the first year.
  • (8) For reasons of comparison, animals were also trained in a delayed go no-go task in which visual cues instructed them to perform or refrain from an arm movement reaction to a subsequent trigger stimulus.
  • (9) And to a lesser extent in Wales ," has been a persistent refrain during the first decade in the life of the National Assembly.
  • (10) A professional technician is available for consultation on technical problems, but strictly refrains from intervening in the creative work proper.
  • (11) Alistair Burt, a Foreign Office minister, urged Libya "to respect the right of peaceful assembly and freedom of expression, and on all sides to exercise restraint and refrain from violence".
  • (12) Nowadays, the management of the crises which accompany significant Life Events (such as birth, marriage, retirement, death...) within this new family-system, is refrained by the lack of "relays" which were previously provided by the "enlarged family".
  • (13) The latter responded with tear gas, despite orders to refrain from using chemicals against protesters.
  • (14) chi2-testing, was refrained from in view of the small number of interviewes.
  • (15) Results indicate that when the harm-doers apologized, as opposed to when they did not, the victim-subjects refrained from severe aggression against them.
  • (16) I will refrain on saying my thoughts on the National League and pitchers hitting, but all I'm saying here is that maybe it would have been more fun to see a David Oritz or Victor Martinez hitting there instead.
  • (17) If the assessment is that media coverage will be damaging, news organisations are requested to refrain from reporting.
  • (18) Refrain from detonating your little bomb,” one of the generals told the commander in charge of the test.
  • (19) Cue that familiar gloating refrain from Stoke fans when Arsenal are in town: “Swing Low, Sweet Chariot,” they crooned.
  • (20) Media had been asked to refrain from reporting this for fear of further increasing the danger to him from his captors.