1. devices that heat rooms by warming and circulating air, typically connected to a central heating system
2. devices in vehicles that cool engines by circulating coolant through metal fins
Usage: automotive

Examples

• The old radiators in the apartment building made clanking noises all night.
• She placed a humidifier on top of the radiator to add moisture to the dry air.
• The mechanic said the car’s radiator was leaking coolant.
• Steam radiators were common in buildings constructed in the early 1900s.
• The radiator fan kicked on when the engine temperature rose too high.
• They painted the radiators white to match the rest of the room.
• The radiator hose burst during the long road trip through the desert.