radiator
nounUK /ˈrædɪeɪ̯tə/ · US /ˈɹej.di(j)ˌej.tɚ/
Etymology From radiate + -or. Doublet of radiatori.
1
Anything which radiates or emits rays.
2
Automotive, Engineering, Mechanical, Mechanical engineering, Natural sciences, Physical sciences, Transport, Vehicles A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.
- The car overheated because of a broken radiator.
3
Of buildings A finned metal fixture that carries hot water or steam in order to heat a room.
- The radiator kept the apartment warm during winter.
- Steam hissed from the old iron radiator.
4
Business, Electrical engineering, Electricity, Electromagnetism, Electronics, Energy, Engineering, Natural sciences, Physical sciences, Physics A type of antenna.
- Derived terms
- honeycomb radiator, information radiator, radiator hose, radiatorless, radiator plant