| Main Entry: | central air conditioning (central air) |
| Part of Speech: | n |
| Definition: | a cooling system which uses ducts to distribute cooled and/or dehumidified air to more than one room, or uses pipes to distribute chilled water to heat exchangers in more than one room; also called central air |
| Example: | The main unit of the central air conditioning is outside enclosed in a cylindrical cage. |
| Etymology: | 1935 |