heating system; warm air
Meanings
3 senses · 7 examplesnoun
steam or hot water used for central heating
Specifically refers to the medium (steam or hot water) that circulates through a central heating system to transfer heat.
The steam (or hot water) generated by the boiler is sent to each room through pipes.
This residential area uses a water-based heating system; the radiators contain hot water.
noun
central heating system; heating equipment
Refers to the physical system itself, including radiators, pipes, and boilers.
My home just installed a new heating system; it will be much warmer in winter.
Houses in northern China generally have centralized heating systems.
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Radiators need regular cleaning.
noun
warm air; warm breath
The literal meaning; can refer to warm air from any source, including breath or natural phenomena.
On winter mornings, you exhale white, warm breath when you speak.
The warm air blown out by the air conditioner is very dry.