central-heating

central heating

noun
a system that supplies heat to an entire building from a single source through ducts or through pipes.

Origin:
1905–10

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
central heating
 
n
a system for heating the rooms of a building by means of radiators or air vents connected by pipes or ducts to a central source of heat

Collins English Dictionary - Complete & Unabridged 10th Edition
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