radiator
US /ˈreɪ.di.eɪ.t̬ɚ/
UK /ˈreɪ.di.eɪ.t̬ɚ/

1.
grzejnik, kaloryfer
a device for heating a room or building, consisting of a series of pipes through which steam or hot water circulates
:
•
The old radiator in the living room needs to be replaced.
Stary grzejnik w salonie wymaga wymiany.
•
Turn up the radiator; it's cold in here.
Podkręć grzejnik; jest tu zimno.
2.
chłodnica, radiator
a device for cooling the engine of a motor vehicle or aircraft, typically a block of thin tubes or fins through which coolant circulates
:
•
The car overheated because of a faulty radiator.
Samochód przegrzał się z powodu wadliwego chłodnicy.
•
He checked the coolant level in the car's radiator.
Sprawdził poziom płynu chłodniczego w chłodnicy samochodu.