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furnace

furnace

93 4.1
A closed chamber that makes very high heat for melting metal, burning waste or heating buildings
  • noun
  • /ˈfɜrnɪs/
translation icon : horno
  • Coal burns in the furnace to generate heat for the factory's production processes.
  • furnace and boiler
  • coal-fired furnace
  • heat-treatment furnace

But when the heat is turned up in the furnace, turns out you don't want that.

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Examples

  • It's taken to the glass working furnace and the firing takes place there.

  • The function of the furnace is to heat the aluminum parts to 1,000 degrees F.

    Academic text (1999)
  • We're gonna go and move into the actual furnace room.

  • So now I can take this stuff out, throw it in to another furnace, melt it and cool it.

  • And the two react inside of this furnace right here.

  • Coal burns in a furnace, which turns water into steam.

  • Something in the house, probably the furnace, throbbed like his own heart.

    Fiction book (1991)
  • The orange light of the enormous black furnaces dances on liquid metal.

    Fiction book (1991)
  • The rollers in an annealing furnace are typically made of cast stainless steel.

    Academic text (1998)
  • There's a full basement where we have an ultramodern central heating furnace with copper pipes, an oil burner.

Synonyms

forge
vsfurnace
69 5.4

A place where a metal worker heats and shapes metal

is not only a workshop for hand shaping and covers industrial heating too
kiln
vsfurnace
  • Specialized
20 6.3

A hot oven for drying and making things like pottery or bricks hard

is not limited to firing pottery and also serves broader industrial heating roles
blast furnace
vsfurnace
  • Specialized
3 5.6

A large furnace that makes iron from ore using hot air

is not specific to iron extraction and covers varied heating purposes
oil furnace
vsfurnace
  • US
1 3.3

A machine that burns oil to heat a home or building

is not limited to one fuel and covers many heating methods
gas furnace
vsfurnace
  • US
1 3.0

A machine that burns gas to heat a building

is not limited to one fuel and covers many heating methods
electric furnace
vsfurnace
  • Specialized
1 3.9

A machine that uses electricity to make heat instead of burning fuel

can use many different fuels or methods rather than only current heating
solar furnace
vsfurnace
  • Specialized
1 6.7

A machine that uses a large curved mirror to focus sunlight and make very high heat

uses other energy sources and is not restricted to concentrated sunlight methods
resistance furnace
vsfurnace
  • Specialized
7.6

A machine that heats things by passing electricity through a metal wire

is broader and may use other heating techniques beyond element heating
electric-arc furnace
vsfurnace
  • Specialized
6.0

A machine that uses an electric arc to melt metal to make steel

is a general chamber used broadly not only for electrode melting methods
open-hearth furnace
vsfurnace
  • Archaic
8.1

A large hot oven that makes steel by heating metal on a shallow bed with flames above

is not limited to that shallow surface heating method and has wider uses
shaft furnace
vsfurnace
  • Specialized
8.9

A tall vertical furnace that forces hot gas up through solid material to melt metal

is not restricted to vertical gas flow processing and serves many roles
reverberatory furnace
vsfurnace
  • Specialized
9.9

A furnace that heats metal by flames reflected from its roof and walls

is not limited to indirect roof reflection heating and supports many processes
crucible furnace
vsfurnace
  • Specialized
8.1

A furnace that melts metal in a heat resistant container

is not only for small container batches and applies to larger operations
glass furnace
vsfurnace
  • Specialized
5.6

A large hot oven that melts glass for making bottles and windows

is not only for melting silica-based industrial material and covers many uses
tank furnace
vsfurnace
  • Specialized
7.5

A large oven that melts raw materials so liquid glass comes out the other end

is not confined to continuous drawing systems for that material and has wider applications
pot furnace
vsfurnace
  • Specialized
8.0

A large oven with several pots for melting glass

is not limited to multiple container batch melting and applies to larger scales

Antonyms

315 1.0

A machine that keeps food and drinks cold and fresh

cooler
  • US
14 2.0

A box or small machine that keeps food and drinks cold

Idioms

8.9

Strong energy and passion that continue even when someone gets older

Compounds

blast furnace
  • Specialized
3 5.6

A large furnace that makes iron from ore using hot air

3 3.8

A basement room that has a furnace to heat the building

1 3.0

A machine that burns gas to heat a building

1 3.3

A machine that burns oil to heat a home or building

electric furnace
  • Specialized
1 3.9

A machine that uses electricity to make heat instead of burning fuel

solar furnace
  • Specialized
1 6.7

A machine that uses a large curved mirror to focus sunlight and make very high heat

8.2

A large bell-shaped oven that heats steel strips to remove hardening and make them softer

bell-type furnace
  • Specialized
9.8

A furnace that covers steel strips with a bell-shaped hood to make them softer

crucible furnace
  • Specialized
8.1

A furnace that melts metal in a heat resistant container

electric-arc furnace
  • Specialized
6.0

A machine that uses an electric arc to melt metal to make steel

furnace lining
  • Specialized
6.9

A heat-resistant layer inside a furnace that protects the walls from very high heat

Extremely hot, like the inside of an oven

glass furnace
  • Specialized
5.6

A large hot oven that melts glass for making bottles and windows

resistance furnace
  • Specialized
7.6

A machine that heats things by passing electricity through a metal wire

reverberatory furnace
  • Specialized
9.9

A furnace that heats metal by flames reflected from its roof and walls

8.1

A large hot oven that makes steel by heating metal on a shallow bed with flames above

pot furnace
  • Specialized
8.0

A large oven with several pots for melting glass

tank furnace
  • Specialized
7.5

A large oven that melts raw materials so liquid glass comes out the other end

shaft furnace
  • Specialized
8.9

A tall vertical furnace that forces hot gas up through solid material to melt metal

9.9

An electric furnace that uses a strong spark of electricity to heat metal to make steel

How Hot

blast furnace
  • Specialized
3 5.6
kiln
  • Specialized
20 6.3
furnace
93 4.1
stove
95 1.0
heater
93 1.0

Surface Forms

furnace singular
furnaces plural

Etymology

The word furnace comes from the old Latin word fornax, which means 'oven'. Think of a furnace as a very large, hot oven used to melt metal or warm a building, which is why the word now means an enclosed place for producing heat.