A radiator is a hollow metal device, usually connected by pipes to a central heating system, that is used to heat a room.
2. countable noun
The radiator in a car is the part of the engine which is filled with water in order to cool the engine.
radiator in British English
(ˈreɪdɪˌeɪtə)
noun
1.
a device for heating a room, building, etc, consisting of a series of pipes through which hot water or steam passes
2.
a device for cooling an internal-combustion engine, consisting of thin-walled tubes through which water passes. Heat is transferred from the water through the walls of the tubes to the airstream, which is created either by the motion of the vehicle or by a fan
3. Australian and New Zealand
an electric fire
4. electronics
the part of an aerial or transmission line that radiates electromagnetic waves
5.
an electric space heater
radiator in American English
(ˈreɪdiˌeɪtər)
noun
anything that radiates
; specif.,
a. US
a series of pipes or coils through which hot water or steam circulates so as to radiate heat into a room, etc.
b. US
a cooling device of tubes and fins, as in an automobile, through which circulating coolant passes
c.
any radioactive material or body
d. Radio
a portion of any transmitting antenna capable of producing radio-frequency energy
radiator in Automotive Engineering
(reɪdieɪtər)
Word forms: (regular plural) radiators
noun
(Automotive engineering: Vehicle components, Engine, transmission, and exhaust)
The radiator in a vehicle is the part of the engine that is filled with water in order to coolthe engine.
Car radiator failures are usually caused by loss of cooling water from breaks in the rubber tubingrather than fracture of the reservoir.
If the coolant needs refilling, make sure to wait until the engine and radiator are cold.
The smoke billowing from the engine was due to a broken radiator.
Turn off the central heating so that radiators cool.
Times, Sunday Times (2006)
It works better with underfloor heating systems than radiators.
Times, Sunday Times (2013)
How do you dry wet gloves when there are no radiators because the heating is centralised?
Times, Sunday Times (2007)
You had to prepare for the car radiator boiling over.
Times, Sunday Times (2013)
Furniture placed in front of a radiator will block heat circulation and the heat may damage the furniture.
Martlew, Gillian & Silver, Shelley Stay Well This Winter (1989)
For open fires, a radiator paint is usually fine.
Times, Sunday Times (2014)
You've put it right up against the main radiator in the room.
Times, Sunday Times (2006)
There were rooms with radiators that didn't work.
Times, Sunday Times (2012)
A dozen of the radiators can heat an entire flat.
Times, Sunday Times (2015)
A gasp for help produced a hideous, white electric radiator.
Times, Sunday Times (2008)
To let me leave for the high desert, without a radiator or an engine, troubled his conscience.
Magnouloux, Bernard Travels with Rosinante (1990)
Last winter we bought throws to wrap ourselves up in and only used the gas fire not radiators because we feared getting a bill we couldn't afford.
The Sun (2008)
MY elderly father-in-law changed energy supplier in December and went from using electric storage radiators to gas central heating.
The Sun (2014)
In other languages
radiator
British English: radiator /ˈreɪdɪˌeɪtə/ NOUN
A radiator is a hollow metal device which is connected to a central heating system and used to heat a room.
American English: radiator
Arabic: مِشْعَاع
Brazilian Portuguese: radiador
Chinese: 散热器
Croatian: radijator
Czech: radiátor
Danish: radiator
Dutch: radiator
European Spanish: radiador
Finnish: lämpöpatteri
French: radiateur
German: Heizkörper
Greek: καλοριφέρ
Italian: radiatore
Japanese: ラジエーター
Korean: 방열기
Norwegian: radiator
Polish: grzejnik
European Portuguese: radiador
Romanian: radiator
Russian: батарея
Latin American Spanish: radiador
Swedish: värmeelement
Thai: เครื่องทำความร้อน
Turkish: radyatör
Ukrainian: радіатор
Vietnamese: hệ thống sưởi
All related terms of 'radiator'
full radiator
a hypothetical body that would be capable of absorbing all the electromagnetic radiation falling on it
radiator cap
a cap in the opening of a device for cooling an internal-combustion engine, through which coolant liquid can be added
radiator grill
a framework , esp of metal bars arranged to form an ornamental pattern, used as a screen or partition
radiator grille
→ another name for grille (sense 2 )
grille
A grille is a framework of metal bars or wire which is placed in front of a window or a piece of machinery , in order to protect it or to protect people.