• Making “trialls” of iron. Evidences of an earth oven or small furnace were discovered at Jamestown during archeological explorations. Small amounts of iron may have been smelted in the furnace during the early years of the settlement. (Conjectural sketch by Sidney E. King.)
    Making “trialls” of iron. Evidences of an earth oven or small furnace were discovered at Jamestown during archeological explorations. Small amounts of iron may have been smelted in the furnace during the early years of the settlement. (Conjectural sketch by Sidney E. King.)
  • WordNet 3.6
    • n furnace an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc.
    • ***

Additional illustrations & photos:

Carborundum furnace Carborundum furnace
Calcium carbide producing furnace Calcium carbide producing furnace
Blast furnace Blast furnace
Puddling furnace Puddling furnace
Siemens regenerative furnace Siemens regenerative furnace
Cementation furnace Cementation furnace

Webster's Revised Unabridged Dictionary
    • furnace a burner, furnace, or stove with which liquid fuel, as petroleum, is used.
    • Furnace A place or time of punishment, affiction, or great trial; severe experience or discipline.
    • Furnace An inclosed place in which heat is produced by the combustion of fuel, as for reducing ores or melting metals, for warming a house, for baking pottery, etc.; as, an iron furnace; a hot-air furnace; a glass furnace; a boiler furnace, etc.
    • Furnace To throw out, or exhale, as from a furnace; also, to put into a furnace. "He furnaces The thick sighs from him."
    • ***
Century Dictionary and Cyclopedia
    • n furnace A structure in which to make and maintain a fire the heat of which is to be used for some mechanical purpose, as the melting of ores or metals, the production of steam as a power, the warming of apartments, the baking of pottery, etc.; specifically, a structure of considerable size built of stone or brick, and usually lined with fire-brick, used for some purpose connected with the operation of smelting metals. Furnaces are constructed in a great variety of ways, according to the different purposes to which they are to be applied. See air-furnace, blast-furnace, and hearth.
    • n furnace Figuratively, a place, time, or occasion of severe torture or great trial.
    • furnace To subject to the action of a furnace; figuratively, to heat as if in a furnace.
    • furnace To throw out, as flames or dull reverberations of sound are emitted by a furnace.
    • furnace To issue forth like flames from a furnace.
    • n furnace A furnace which is continually rotated or revolved to secure thorough mixture or chemical reaction under heat as respects the charge.
    • ***
Chambers's Twentieth Century Dictionary
    • n Furnace fur′nās an oven or enclosed fireplace for melting ores and other purposes: a time or place of grievous affliction or torment
    • v.t Furnace to exhale like a furnace: to subject to the heat of a furnace
    • ***


  • Bible
    “Behold, I have refined thee, but not with silver; I have chosen thee in the furnace of affliction. [Isaiah 48:10]”
  • Sirach
    “For gold is tried in the fire and acceptable men in the furnace of adversity.”
  • Charles Caleb Colton
    “The purest ore is produced from the hottest furnace, and the brightest thunderbolt is elicited from the darkest storm.”
  • William Shakespeare
    “Heat not a furnace for your foe so hot that it do singe yourself.”
  • Mary Elizabeth Hewitt
    Mary Elizabeth Hewitt
    “A sumptuous dwelling the rich man hath. And dainty is his repast; but remember that luxury's prodigal hand keeps the furnace of toil in blast.”
  • Source Unknown
    Source Unknown
    “There is no excellence without labor, in the furnace, God may try you, thus to bring thee forth more bright.”


Webster's Revised Unabridged Dictionary
OE. fornais, forneis, OF. fornaise, F. fournaise, from L. fornax,; akin to furnus oven, and prob. to E. forceps,


In literature:

The furnace as shown is essentially a bagasse furnace and may be modified somewhat to accommodate auxiliary fuel.
"Steam, Its Generation and Use" by Babcock & Wilcox Co.
Of course, if the bend need not be short, the tube could be softened in a tube furnace and bent in a kind of way.
"On Laboratory Arts" by Richard Threlfall
Whoever does not fall down and worship shall be thrown into a burning, fiery furnace.
"The Children's Bible" by Henry A. Sherman
They passed a huge dark furnace with its arms stretching out on all sides like a spider's legs.
"The Cat in Grandfather's House" by Carl Henry Grabo
The smelter, before he can make iron, must have iron ore and fuel, as well as furnace and bellows.
"Chatterbox, 1906" by Various
Furnace box built years since by the Farmers.
"Iron Making in the Olden Times as instanced in the Ancient Mines, Forges, and Furnaces of The Forest of Dean" by H. G. Nicholls
The ore was carried down to the furnaces on mules' backs, from Edge Hill and other mines.
"The Forest of Dean An Historical and Descriptive Account" by H. G. Nicholls
It must then be melted or smelted in great furnaces.
"Diggers in the Earth" by Eva March Tappan
Then Ilmarinen made a magic mixture of certain metals and put them in the bottom of the furnace.
"Finnish Legends for English Children" by R. Eivind
I fired the furnace for him.
"Slave Narratives: A Folk History of Slavery in the United States from Interviews with Former Slaves, Arkansas Narratives, Part 4" by Work Projects Administration
What furnaces are there!
"Astronomy for Amateurs" by Camille Flammarion
If a gas furnace is not on the bench to heat the iron, then a gasoline furnace is necessary.
"Elements of Plumbing" by Samuel Dibble
Jack was soon set to work; his task was to carry the cinders from the furnace to the deck, and there throw them into the sea.
"Jack" by Alphonse Daudet
He commanded that the furnace should be heated, and this tail of a drake thrown into it, because he must be a sorcerer.
"Children's Literature" by Charles Madison Curry
The telegraph room is a furnace.
"The Young Railroaders" by Francis Lovell Coombs
A space crossing the whole front of the boiler over the furnace doors, opposite the smoke-box.
"The Sailor's Word-Book" by William Henry Smyth
Peat fuel must be brought into the form of blocks or masses of such size and shape as to adapt them to use in our common stoves and furnaces.
"Peat and its Uses as Fertilizer and Fuel" by Samuel William Johnson
Above all, on one side of the room, were the furnaces in which the great work of burning in the colors is achieved.
"Lippincott's Magazine of Popular Literature and Science Volume 15, No. 89, May, 1875" by Various
The place was little better than a furnace of humid heat.
"The Golden Woman" by Ridgwell Cullum
It was but a matter of minutes before the furnace was raging outside.
"In the Heart of a Fool" by William Allen White

In poetry:

A furnace to refine my grace,
A wing to lift my soul apace;
Hence still the more I sob distrest,
The more I sing my endless rest.
"The Believer's Riddle; or, the Mystery of Faith" by Ralph Erskine
In her furnace, the centuries had welded
Their fetter and chain;
And like withes, in the hands of his purpose,
He snapped them in twain.
"Abraham Lincoln" by Phoebe Cary
"That mither—ay, and mony mair
That thro' the fiery trials pass'd—
Like silver seven times purified,
Cam' oot the furnace pure at last.
"Grannie's Crack Aboot The Famine In Auld Scotlan' In 1739-40" by Janet Hamilton
When envy round Thy Precious One
Its tongues of scorching flame hath curled,
Unwasted let His virtue run
From the sore furnace of the world
"The Magi To The Star" by Mary Hannay Foott
Not over all; for, when the stoker drew
The furnace doors apart,
A shaft of light rose upward, and shot through
The clouds like some huge dart.
"Bannockburn" by Alexander Anderson
Glitter his feet, like polished brass
That long hath in the furnace shown;
Brighter than lightning is his face:
Brighter than the meridian sun.
"Hymn 1" by Noah Calwell W Cannon

In news:

Products include new furnaces, kilns, thermo oxidizers and incinerators.
The American-owned UK-based firm manufactures materials at its Bromborough, England, plant used in linings for high-temperature furnaces, kilns and incinerators.
The Fiery Furnaces the vietnamese telephone ministry bitter tea.
The continuous austentizing furnace will come equipped with the latest in recuperative-burner technology.
The furnace will be at the heart of this automated manufacturing facility.
"Tips for selecting, sizing, ducting, and venting oil and gas furnaces".
Inc, Pico Rivera, Calif, acquired KMI Industries, Lynwood, Calif, and will continue the operation of KMI's refractory distribution, custom insulation systems and Recco furnace business units.
As furnace refractories wear and require replacement during the normal course of business, however, there is an opportunity to improve furnace efficiency simply by evaluating the choice for the replacement refractories .
AFC-Holcroft, a manufacturer of heat treating furnaces, has named Northern Refractory its authorized refractory contractor.
Regardless of the motive, the first step undertaken by a furnace operator is to investigate the various technologies available.
Core Furnace Systems (CORE) completed the start-up of a 300-ton/hour walking-beam furnace for reheating slabs at WCI Steel’s Warren, Ohio, hot strip mill.
4 Reheat Furnace Roof at Mittal Steel.
Ringworm have put out one of the best albums of 2011 (maybe even their career) with Scars and I was fortunate enough to get frontman James "Human Furnace" Bulloch on the line for the October 22 edition of the Mighty Oath.
Techint Technologies (Milano, Italy), received an order from Hadeed Al Jubail to supply a new walking beam furnace (220 tph capacity) and to revamp an existing Techint furnace for the company's hot strip mill.
You may not know how your home's furnace works, but it keeps you warm.

In science:

The cavity was then fired in a vacuum furnace for 10 hours at 600◦C to inoculate it against the “ Q disease.” The pressure in the furnace was ≤ 10−6 torr during the heat treatment.
Status Report on Multi-Cell Superconducting Cavity Development for Medium-Velocity Beams
Standard growth procedures such as flux-growth in open crucibles or the use of a floating zone image furnace would allow toxic vapors to escape into the lab and deplete the thallium in the reaction vessel by allowing it to sublime out in a colder part of the furnace.
Tl2Ba2CuO6+d Brings Spectroscopic Probes Deep Into the Overdoped Regime of the High-Tc Cuprates
Experimental details The polycrystalline ingots of the compositions, x= 0, 1.2, and 2.0, of the series CeRu2xRhxSi2, were prepared by arc melting stoichiometric amounts of high-purity (>99.9%) constituent elements in an arc furnace in an atmosphere of argon.
Magnetism of fine particles of Kondo lattices, obtained by high-energy ball-milling
For the ceramic samples, these powders were mixed well and then heat-treated in a furnace at a certain temperature under flowing oxygen.
Ni-impurity effects on the superconducting gap of La$_{2-x}$Sr$_{x}$CuO$_4$ studied from the magnetic field and temperature dependence of the electronic specific heat
Details of the A ceramic preparation are described elsewhere.17 Ceramics B were prepared from exactly the same EuTiO3 powder as the ceramics A, but the powder was loaded into Au capsules and sintered in a belt-type high-temperature highpressure furnace at 900 ◦C under a pressure of 6 GPa for 30 min.
Antiferrodistortive phase transition in EuTiO3
The crystals were grown under flowing mixture of 5 % H2 in Ar (150 ml/min) by using a floating-zone furnace equipped with four halogen lamps (maximum power of 1500 W) and ellipsoidal mirrors.
Antiferrodistortive phase transition in EuTiO3
One of these samples is kept as a control. The other two ones were each submitted to a 45 min thermal annealing in a conventional furnace under a vacuum of 10-6 mbar. Annealing temperature (TR) was chosen to be the variable parameter of which we try to determine the effect.
On the Structural and Optical Properties of Sputtered Hydrogenated Amorphous Silicon Thin Films
The Princeton group realized that the early universe would have been an ideal furnace for generating blackbody radiation.
The Cosmic Microwave Background
Single crystals were grown by the floating-zone technique using a CSI four mirror IR image furnace.
Investigation of the Spin Density Wave in NaxCoO2
Despite the precautions taken against sodium loss, a white powder, identified as Na2O3 by X-ray diffraction analysis , was observed inside the quartz tube of the image furnace implying a reduction in sodium concentration.
Investigation of the Spin Density Wave in NaxCoO2
Hydrogen is a by-product or "smoke" from the nuclear furnace at the Sun’s core. Hydrogen is most ly consumed by fusion react ions as it moves upward in the so lar "flue." Hydrogen fus ion generates less than 38% of the Sun's energy [15, 16].
Plasma Diffuser Sorts Light Atoms to Solar Surface
Since essentially all elements heavier than lithium were produced in stellar furnaces and not in the Big Bang, without this injection, essentially everything we see on earth would not exist.
What is the Role of Neutrinos in Shaping the Universe?
Designers may adopt, concurrently, different conventions for different purposes: thus a word, stored in a computer, might convey a binary number according to one convention and the temperature within a furnace according to another, higher-level, convention.
Information science and technology as applications of the physics of signalling
A loose translation is: Thousands of theory papers are being tossed into the furnace.
Summary of Lepton Photon 2011
It is manufactured by fusion of natural quartz crystals is an electrically heated furnace.
Design of the wavefront sensor unit of ARGOS, the LBT laser guide star system