What's the difference between bell and siren?

Bell


Definition:

  • (n.) A hollow metallic vessel, usually shaped somewhat like a cup with a flaring mouth, containing a clapper or tongue, and giving forth a ringing sound on being struck.
  • (n.) A hollow perforated sphere of metal containing a loose ball which causes it to sound when moved.
  • (n.) Anything in the form of a bell, as the cup or corol of a flower.
  • (n.) That part of the capital of a column included between the abacus and neck molding; also used for the naked core of nearly cylindrical shape, assumed to exist within the leafage of a capital.
  • (n.) The strikes of the bell which mark the time; or the time so designated.
  • (v. t.) To put a bell upon; as, to bell the cat.
  • (v. t.) To make bell-mouthed; as, to bell a tube.
  • (v. i.) To develop bells or corollas; to take the form of a bell; to blossom; as, hops bell.
  • (v. t.) To utter by bellowing.
  • (v. i.) To call or bellow, as the deer in rutting time; to make a bellowing sound; to roar.

Example Sentences:

  • (1) The males had characteristic manifestations of the Martin-Bell syndrome.
  • (2) The bell-shaped dose-response curves observed after irradiation with either X rays or neutrons are explained by assuming simultaneous initial transforming events and cell inactivation with the data for cell inactivation at higher doses being in agreement with data reported for other strains of mice.
  • (3) In 2009, he allowed Imagine to be played on the cathedral bells.
  • (4) Auditory brain stem potentials (ABP) were recorded in 27 patients with Bell's palsy during the early phase of the disease and 1-3 months later.
  • (5) Until the bell, 19-year-old Lizzie Armitstead figured strongly in a leading group of 12 that at one point enjoyed a two-minute lead, racing comfortably alongside the Olympic time-trial champion Kristin Armstrong.
  • (6) To produce intramodal arousal, normal subjects also had EEG recordings made during the random sounding of a loud bell.
  • (7) At low concentrations of gelactin, the gelatin of actin exhibits a bell-shaped dependency on free calcium ion concentration, being stimulated between pCa 8 and 6 and inhibited at pCa below 5.5, while at high gelactin concentrations the calcium sensitivity of actin gelation is apparently abolished.
  • (8) For an "FM specialized" cell, the response pattern to each of the parameters was either monotonic or bell-shaped.
  • (9) On the other hand they showed bell-shaped promotive effects on PRL-ovarian receptor binding, the maximal effects being observed at 10-20 mM.
  • (10) A case of fragile-X syndrome (the Martin-Bell syndrome) in two male half-sibs from different marriages of their mother was described.
  • (11) Steve Bell on Jeremy Corbyn not singing the national anthem – cartoon Read more Admiral Lord West, former Labour security minister, said the decision not to sing the anthem was extraordinary.
  • (12) An 18-year-old mentally retarded male with the Martin-Bell syndrome was fragile X positive.
  • (13) A spokesman for the public relations firm Bell Pottinger, which represents Rajapaksa, denied that he had cancelled his trip to the UK last month becuse of fears that he might face an arrest warrant.
  • (14) Oestrous and dioestrous rats were observed during the initial 2 min of open-field exposure, and after a loud bell had sounded.
  • (15) DynaTAC became the phone of choice for fictional psychopaths, including Wall Street's Gordon Gekko, American Psycho's Patrick Bateman and Saved by the Bell's Zack Morris.
  • (16) When Question Time was moved to an earlier 9pm slot in May during the MPs' expenses scandal, a panel including Martin Bell, Ben Bradshaw and William Hague had 3.7 million viewers and a 17% share.
  • (17) At a higher concentration (20 microM), effects of RP 62719 on inotropy and lusitropy were less marked, thus accounting for the bell-shaped form of the dose-response curve.
  • (18) Had the Bell and Loop criteria been used to decide which patients had skull radiography, 35% (all in children) of the fractures would have gone undetected.
  • (19) At late cap stage and at early bell stage receptors are not present at inner enamel epithelium level but they can be detectable in the mesenchyma of dental papilla and in some cells of the follicle.
  • (20) They found her and rang the emergency bell,” she said.

Siren


Definition:

  • (n.) One of three sea nymphs, -- or, according to some writers, of two, -- said to frequent an island near the coast of Italy, and to sing with such sweetness that they lured mariners to destruction.
  • (n.) An enticing, dangerous woman.
  • (n.) Something which is insidious or deceptive.
  • (n.) A mermaid.
  • (n.) Any long, slender amphibian of the genus Siren or family Sirenidae, destitute of hind legs and pelvis, and having permanent external gills as well as lungs. They inhabit the swamps, lagoons, and ditches of the Southern United States. The more common species (Siren lacertina) is dull lead-gray in color, and becames two feet long.
  • (n.) An instrument for producing musical tones and for ascertaining the number of sound waves or vibrations per second which produce a note of a given pitch. The sounds are produced by a perforated rotating disk or disks. A form with two disks operated by steam or highly compressed air is used sounding an alarm to vessels in fog.
  • (a.) Of or pertaining to a siren; bewitching, like a siren; fascinating; alluring; as, a siren song.

Example Sentences:

  • (1) Dictated by underlying physicochemical constraints, deceived at times by the lulling tones of the siren entropy, and constantly vulnerable to the vagaries of other more pervasive forms of biological networking and information transfer encoded in the genes of virus and invading microorganisms, protein biorecognition in higher life forms, and particularly in mammals, represents the finely tuned molecular avenues for the genome to transfer its information to the next generation.
  • (2) Emergency medical services providers routinely respond to emergencies using lights and siren.
  • (3) Every now and then some rich Oga or Madam comes along in their bulletproof cars and wailing sirens, and distorts the delicate equilibrium of this body of traffic.
  • (4) Off the south-west coast of Ibiza stands Es Vedrà, a 400m-high limestone rock which legend suggests was the island of the Sirens who lured sailors to their deaths in Homer's Odyssey.
  • (5) At 6pm it sounds like a war zone outside the office: you can hear nothing but sirens and the almost continuous drone of helicopters overhead.
  • (6) horns of cars, sirens of emergency vehicles and alarm signals of railroad crossings, and then displays them as vibration to the driver.
  • (7) The strange thing is, society is perhaps not quite in the same shape as most of the political elite - or for that matter, the siren voices who would have you believe that "everyone's middle class nowadays" - suggest.
  • (8) As dusk fell across the city a motorcade of flashing lights and sirens escorted him to the airport, where he thanked his hosts and organisers and the vice-president, Joe Biden, escorted him to the plane.
  • (9) Updated at 11.10pm GMT 10.29pm GMT @RanaGaza, on Twitter here , uploads audio of sirens in Gaza City and two strikes moments ago.
  • (10) IDF (@IDFSpokesperson) A few minutes ago, sirens in Tel Aviv sent residents running for shelter.
  • (11) As Operation Protective Edge launched, sirens sounded over large areas of Israel's south and air raid shelters were opened.
  • (12) They should ignore the siren voices about Ukip pacts, which would put the party back for years.
  • (13) Video by Chris Whitworth and Alex Purcell Victimhood is a real, brutal fact, and Ben Carson's Holocaust logic denies that | Gayatri Devi Read more Asked about abortion, another siren call to voters who dominate the Republican primary, Carson said he would appoint supreme court judges to overturn Roe v Wade , the 1973 decision that enshrines the right.
  • (14) They moved rapidly, but without lights or sirens; they were not heading into an emergency.
  • (15) In Trafalgar Square at 6.40pm, sirens could be heard from almost all directions.
  • (16) "I was here since 7am and just heard sirens and it was over so fast," said Daniel McKenzie from Darlington.
  • (17) Their faces stared up from the dusty stretch of tarmac outside New Cairo's police academy, a silent roll call of butchery laid out like a human carpet amid a cacophony of chants, sirens and camera clicks in the morning sun.
  • (18) The British Wind Energy Association said it was delighted that Miliband had "rightly ignored the siren calls to abandon wind as the driving force for reaching the [low carbon] targets".
  • (19) I’ve never seen so many police here, against the blare of sirens.
  • (20) Its rocket fire has caused fear and panic among Israelis in south and central Israel, with sirens sounding many times a day warning people to seek shelter.