Meanings
nounradiator (plural radiators)
plural radiators
- Anything which radiates or emits rays.
- automotiveA device that lowers engine coolant temperature by conducting heat to the air, through metal fins.
The car overheated because of a broken radiator.
- A finned metal fixture that carries hot water or steam in order to heat a room.
Steam hissed from the old iron radiator.
1 more example
The radiator kept the apartment warm during winter.
- businessA type of antenna.
Synonyms & antonyms
Also see
Origin
From radiate + -or. Doublet of radiatori.
Full word history & related roots →Translations
Arabic مِشْعاع, مِشْعاع
- مِشْعاع (mišʕāʕ)device that lowers engine coolant temperature by conducting heat to the air
- مِشْعاع (mišʕāʕ)finned metal fixture that carries hot water or steam in order to heat a room
Bulgarian излъчвател, радиа́тор
- излъчвател (izlăčvatel)anything which radiates or emits rays
- радиа́тор (radiátor)device that lowers engine coolant temperature by conducting heat to the air
- радиатор (radiator)finned metal fixture that carries hot water or steam in order to heat a room
- предавателна антена (predavatelna antena)type of antenna
Catalan radiador, radiador
- radiadordevice that lowers engine coolant temperature by conducting heat to the air
- radiadorfinned metal fixture that carries hot water or steam in order to heat a room
Chinese Mandarin 散熱器 /散热器, 暖氣 /暖气
- 散熱器 /散热器 (sànrèqì)device that lowers engine coolant temperature by conducting heat to the air
- 暖氣 /暖气 (nuǎnqì)finned metal fixture that carries hot water or steam in order to heat a room
Czech chladič, radiátor
- chladičdevice that lowers engine coolant temperature by conducting heat to the air
- radiátorfinned metal fixture that carries hot water or steam in order to heat a room
Danish vandtank
- vandtankdevice that lowers engine coolant temperature by conducting heat to the air
Dutch radiator
- radiatorfinned metal fixture that carries hot water or steam in order to heat a room
Esperanto radiatoro
- radiatorofinned metal fixture that carries hot water or steam in order to heat a room
Finnish säteilijä, radiaattori
- säteilijäanything which radiates or emits rays
- radiaattorianything which radiates or emits rays
- säteilylähdeanything which radiates or emits rays
- jäähdytindevice that lowers engine coolant temperature by conducting heat to the air
- syylaridevice that lowers engine coolant temperature by conducting heat to the air
- lämpöpatterifinned metal fixture that carries hot water or steam in order to heat a room
- säteilijätype of antenna
French radiateur, radiateur
- radiateurdevice that lowers engine coolant temperature by conducting heat to the air
- radiateurfinned metal fixture that carries hot water or steam in order to heat a room
German Strahler, Radiator
- Strahleranything which radiates or emits rays
- Radiatoranything which radiates or emits rays
- Kühlerdevice that lowers engine coolant temperature by conducting heat to the air
- Heizkörperfinned metal fixture that carries hot water or steam in order to heat a room
Greek ψυγείο, καλοριφέρ
- ψυγείο (psygeío)device that lowers engine coolant temperature by conducting heat to the air
- καλοριφέρ (kalorifér)finned metal fixture that carries hot water or steam in order to heat a room
Hebrew מַקְרֵן, רדיאטור
- מַקְרֵן (maqrén)finned metal fixture that carries hot water or steam in order to heat a room
- רדיאטור (radiátor)finned metal fixture that carries hot water or steam in order to heat a room
Hungarian hűtő, autóhűtő
- hűtődevice that lowers engine coolant temperature by conducting heat to the air
- autóhűtődevice that lowers engine coolant temperature by conducting heat to the air
- radiátorfinned metal fixture that carries hot water or steam in order to heat a room
- fűtőtestfinned metal fixture that carries hot water or steam in order to heat a room
Icelandic vatnskassi, ofn
- vatnskassidevice that lowers engine coolant temperature by conducting heat to the air
- ofnfinned metal fixture that carries hot water or steam in order to heat a room
Irish radaitheoir
- radaitheoirfinned metal fixture that carries hot water or steam in order to heat a room
Italian radiatore, radiatore
- radiatoredevice that lowers engine coolant temperature by conducting heat to the air
- radiatorefinned metal fixture that carries hot water or steam in order to heat a room
- caloriferofinned metal fixture that carries hot water or steam in order to heat a room
- termosifonefinned metal fixture that carries hot water or steam in order to heat a room
Japanese ラジエーター
- ラジエーター (rajiētā)device that lowers engine coolant temperature by conducting heat to the air
Korean 라디에이터, 라지에타
- 라디에이터 (radieiteo)device that lowers engine coolant temperature by conducting heat to the air
- 라지에타 (rajieta)device that lowers engine coolant temperature by conducting heat to the air
Latvian radiators
- radiatorsfinned metal fixture that carries hot water or steam in order to heat a room
Norwegian Bokmål radiator, banntank
- radiatordevice that lowers engine coolant temperature by conducting heat to the air
- banntankdevice that lowers engine coolant temperature by conducting heat to the air
- radiatorfinned metal fixture that carries hot water or steam in order to heat a room
Polish emiter, radiator
- emiteranything which radiates or emits rays
- radiatordevice that lowers engine coolant temperature by conducting heat to the air
- kaloryferfinned metal fixture that carries hot water or steam in order to heat a room
- grzejnikfinned metal fixture that carries hot water or steam in order to heat a room
Portuguese irradiador, radiador
- irradiadoranything which radiates or emits rays
- radiadordevice that lowers engine coolant temperature by conducting heat to the air
- radiadorfinned metal fixture that carries hot water or steam in order to heat a room
- aquecedorfinned metal fixture that carries hot water or steam in order to heat a room
Romanian radiator, calorifer
- radiatordevice that lowers engine coolant temperature by conducting heat to the air
- caloriferfinned metal fixture that carries hot water or steam in order to heat a room
Russian излуча́тель, радиа́тор
- излуча́тель (izlučátelʹ)anything which radiates or emits rays
- радиа́тор (radiátor)device that lowers engine coolant temperature by conducting heat to the air
- радиа́тор (radiátor)finned metal fixture that carries hot water or steam in order to heat a room
- батаре́я (bataréja)finned metal fixture that carries hot water or steam in order to heat a room
- обогрева́тель (obogrevátelʹ)finned metal fixture that carries hot water or steam in order to heat a room
Slovak radiátor
- radiátorfinned metal fixture that carries hot water or steam in order to heat a room
Spanish radiador
- radiadordevice that lowers engine coolant temperature by conducting heat to the air
Swedish kylare, element
- kylaredevice that lowers engine coolant temperature by conducting heat to the air
- elementfinned metal fixture that carries hot water or steam in order to heat a room
- värmeelementfinned metal fixture that carries hot water or steam in order to heat a room
Tagalog radyador, radyetor
- radyadordevice that lowers engine coolant temperature by conducting heat to the air
- radyetordevice that lowers engine coolant temperature by conducting heat to the air
Thai รังผึ้ง, หม้อน้ำ
- รังผึ้ง (rang-pʉ̂ng)device that lowers engine coolant temperature by conducting heat to the air
- หม้อน้ำ (mɔ̂ɔ-náam)device that lowers engine coolant temperature by conducting heat to the air
Turkish radyatör, kalorifer
- radyatördevice that lowers engine coolant temperature by conducting heat to the air
- kaloriferfinned metal fixture that carries hot water or steam in order to heat a room
Ukrainian радіа́тор
- радіа́тор (radiátor)device that lowers engine coolant temperature by conducting heat to the air
Vietnamese ra-đi-a-tơ, cái lò sưởi
- ra-đi-a-tơdevice that lowers engine coolant temperature by conducting heat to the air
- cái lò sưởidevice that lowers engine coolant temperature by conducting heat to the air
Cite this entry
APA
radiator. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/radiator
MLA
“radiator.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/radiator. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “radiator,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/radiator.
Source: radiator on Wiktionary, CC BY-SA 4.0.