combustion chamber

IPA/kəmˈbʌstʃən tʃeɪmbə(r)/
IPA/kəmˈbʌstʃən tʃeɪmbər/

combustion chamber — noun

1. an enclosed area inside a device such as a furnace, boiler, or heater, where fue

1.名詞B2
釋義

an enclosed area inside a device such as a furnace, boiler, or heater, where fuel and air mix and burn to produce heat

例句

The furnace's combustion chamber reached a temperature of over 800 degrees Celsius.

technical context: industrial furnace

Putri checked the combustion chamber for cracks before restarting the boiler.

同義詞
  • firebox

    used especially for furnaces and steam boilers; slightly older term

  • burner chamber

    emphasises the burner component; more specific to industrial systems

文法句型

the combustion chamber of [device]

[adjective] combustion chamber

用法筆記

In technical writing, the temperature, pressure, and volume of the combustion chamber are key design parameters. This sense applies broadly to any heat-producing device that burns fuel, not only engines.

常見錯誤

The combustion chamber moves up and down when the engine runs.
The piston moves up and down inside the combustion chamber when the engine runs.
💡The chamber is a fixed space; the piston is the moving part inside it.

2. the space inside an engine cylinder where fuel and air are compressed and ignite

2.名詞B2
釋義

the space inside an engine cylinder where fuel and air are compressed and ignited to produce the force that powers a vehicle

例句

Folake removed the cylinder head to inspect the combustion chamber of her motorbike's engine.

automotive repair context

In a diesel engine, air is compressed in the combustion chamber before fuel is injected.

diesel engine process

同義詞
  • firing chamber

    used in some technical manuals; interchangeable in engine contexts

  • cylinder space

    descriptive but less standard as a technical term

文法句型

in a/the combustion chamber

[type] combustion chamber

用法筆記

Distinguish from sense 1: this sense specifically refers to the part of an internal combustion engine (car, motorcycle, generator), whereas sense 1 covers any heat-producing device. This is the more common sense in everyday technical conversation.

常見錯誤

The fuel tank sends petrol directly into the combustion chamber.
The fuel injector sprays petrol into the combustion chamber.
💡Fuel goes through the injector (or carburettor), not straight from the tank.