ଅର୍ଥ : Any object that radiates energy.

ଅର୍ଥ : Heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings.

ଅର୍ଥ : A mechanism consisting of a metal honeycomb through which hot fluids circulate. Heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan.