What's the difference between crucible and hearth?

Crucible


Definition:

  • (n.) A vessel or melting pot, composed of some very refractory substance, as clay, graphite, platinum, and used for melting and calcining substances which require a strong degree of heat, as metals, ores, etc.
  • (n.) A hollow place at the bottom of a furnace, to receive the melted metal.
  • (n.) A test of the most decisive kind; a severe trial; as, the crucible of affliction.

Example Sentences:

  • (1) As Gabrielle is at pains to point out, there was no unhappy childhood to avenge; no traumas to shove into the creative crucible.
  • (2) DNA damage induced in vivo by the cross-linking agent mitomycin C (MMC) was investigated with a new oscillating crucible viscometer.
  • (3) Within 5 minutes after taken out from an oven and allowed to stand in a room, a dried crucible and tissue become wet with moisture in the air and their water content reaches equilibrium and saturation.
  • (4) Few sporting examinations compare to the lonely and constant pressure of professional snooker, let alone World Championship final at the Crucible Theatre in Sheffield snooker.
  • (5) We also seem to be heading increasingly towards a directors’ theatre, where the ability to rework standard classics takes precedence over new writing: look at the fervid excitement created by current productions of The Crucible and A Streetcar Named Desire .
  • (6) Four test alloys were prepared using a high frequency centrifugal casting machine and a ceramic crucible for the development of titanium bonding alloys that can be cast in the ordinary atmosphere.
  • (7) The crucible, as usual in Republican races, is shaping up as South Carolina, conservative like Iowa, only nastier, an awkward race for Romney.
  • (8) The influence of different gas mixtures in the flame and different crucible temperatures on: 1.
  • (9) For the first series induction heating was employed for melting the alloy, for the second a resistance crucible, and for the third an oxy-acetylene torch.
  • (10) (Made during the German occupation, Day of Wrath can be read as a definitive account of 20th-century witch-hunts - which helps to explain why it almost certainly served as a major influence on Arthur Miller's The Crucible.)
  • (11) Briefly Evans allows himself to put the artistic director hat back in place and describes what he has planned for the Crucible's 40th anniversary celebrations next year: the Restoration comedy The Way of the World , a return by John Simm, who played Hamlet there in September last year; a production of Pinter's Betrayal ; and a season of Michael Frayn plays, including Democracy , Copenhagen and Benefactors .
  • (12) Casting is done by the transferral of molten stainless steel from the crucible to the mold by centrifugal force in an electro-induction casting machine.
  • (13) During the long interview process to take over the running of the Crucible from Sam West, who had departed just before the theatre closed for renovation in 2007, it was made clear that acting was a part of the gig, along with directing and overseeing the various theatres including the Crucible main stage, the studio and the Lyceum, which plays host to touring productions.
  • (14) John Tiffany , the Tony award-winning director of Once, proposed the re-reading to Sondheim and is workshopping the idea in New York with Daniel Evans, artistic director of Sheffield Crucible , playing Bobby.
  • (15) By heating at 105 degrees C in a constant temperature electric oven, a 35 ml crucible becomes completely dry in an hour and 2 grams of human tissue in 48 hours.
  • (16) The second choice, Arthur Miller’s The Crucible, was more successful but revealed little about the Royal Court’s policy.
  • (17) Heated, empty porcelain crucibles do not show released calcium.
  • (18) Historically, Oakland is a crucible of black empowerment and left-wing activism.
  • (19) At temperatures required for complete release of calcium from beef liver by dry ashing, porcelain crucibles release significant amounts of calcium into the ash, which leads to erroneously high calcium values in the samples.
  • (20) Always rumours.” Since Hungary blocked its borders on Tuesday , it is this tiny rail station at Tovarnik, a town located a kilometre inside Croatia , that has become the latest crucible of the European refugee crisis.

Hearth


Definition:

  • (n.) The pavement or floor of brick, stone, or metal in a chimney, on which a fire is made; the floor of a fireplace; also, a corresponding part of a stove.
  • (n.) The house itself, as the abode of comfort to its inmates and of hospitality to strangers; fireside.
  • (n.) The floor of a furnace, on which the material to be heated lies, or the lowest part of a melting furnace, into which the melted material settles.

Example Sentences:

  • (1) As a rule the abdominal exstirpation of the uterus with both adnexe is practiced in order to come to a complete removal of the infection hearth.
  • (2) Photograph: Andy Pietrasik Start with a coffee and croissant at zinc bar Café Tupiña at the bottom end of rue Porte de la Monnaie, and then move on to a hearty lunch at La Tupiña next door, with its huge roaring hearth and spits roasting chickens and racks of lamb.
  • (3) Although in April Darvill and Wainwright only won permission from English Heritage for a trench the size of a large hearth rug - "a little piece of keyhole surgery" as Darvill described it - it was the first excavation at which the whole armoury of modern scientific archaeology could be fired.
  • (4) They struggle to navigate the demands of the labour market while still being largely responsible for home, hearth and children.
  • (5) A flatmate lounges on a sofa and a coal-effect gas fire pretends to burn in the hearth.
  • (6) The Vatican talked of "this insult to the nobility of the hearth", and Ed Sullivan on his TV show said, "You can only trust that youngsters will not be persuaded that the sanctity of marriage has been invalidated by the appalling example of Mrs Taylor-Fisher and married man Burton."
  • (7) Despite marked changes in thyroidal economy in experimental rat, iodothyronine 5'-monodeiodinating activity (MA) in the liver, the kidney and the hearth and the hepatic alpha-glycerophosphate dehydrogenase activity were decreased inconsistently and when decreased, the various enzyme activities were not influenced appreciably by treatment with replacement doses of T4 or T3.
  • (8) A multiple hearth simulation study suggested that most of the organic material present in the sludge matrix is vaporized within the upper hearths that are held at lower temperatures and may consequently escape from such incinerators undestroyed.
  • (9) Through rampant privatisation, new Labour had “sabotaged the public realm,” says Marquand, a realm that was once the party’s home and hearth.
  • (10) That tartan rug is a heather-hued heath before my hearth (alliteration too!).
  • (11) The Shoulder of Mutton (mains from £11.96), the Hearth of the Ram (01706 828681, hearthoftheram.com, mains from £12.95) and the Eagle and Child (01706 55718, eagle-and-child.com, mains from £9.95) are all doing great stuff with local produce.
  • (12) This report describes two female patients, 69 and 79 years old, with squamous cell carcinoma (SCC) developing from erythema ab igne (EAI) due to thermal irradiation from a sunken hearth (irori in Japanese) or an underfloor brazier covered with a quilt (kotatsu in Japanese).
  • (13) Out of the stadium's sluices flowed hordes of the new classes created by the industrial revolution: workers in overalls, bosses in top hats, arriving to dismantle the rural scene piece by piece, the meadows and the tilled fields making way for an array of vast chimneys emerging from the once fertile earth to reach the height of the stadium rim, their infernal belching smoke replacing the homely cottage hearth and ushering in a world of steam engines and spinning jennys.
  • (14) In future reports we hope to refine the comparisons by obtaining data which will enable classification of workers more precisely by intensity and duration of exposure within the open hearth.
  • (15) As he points out, several of the temples at Brodgar have hearths, though this was clearly not a domestic dwelling.
  • (16) Ironically, now my peers and I who fought so hard to get out of the home are coming to a different crossroads that leads back to the hearth and a different identity.
  • (17) Other items in the catalogue were equally bad value: take the Accessory Package consisting of a small hearth rug and a small lamp with a matching coffee table.
  • (18) The usability of five nutrient media - three kinds of spirolate media, thioglycolate medium and brain hearth medium - suitable for the isolation of Vibrio coli and germs similar to borrelia isolated from pigs affected by dysentery, and vibria isolated from cattle, was compared in the study.
  • (19) After injections of 3H thymidine or 3H proline, the physiological hearth growth in mice of the CBA strain belonging to various age groups was studied by means of autoradiography.
  • (20) Details are given on examinations of the central nervous system, the abdomen, the hearth and the skeletal system, on the possibilities of immunoscintigraphy, and also on the indications of SPECT studies and the clinical performance.