air-conditioning

The technician installs a new air-conditioning unit in the living room.

Definition

1. Noun:
   • System for controlling air temperature and humidity: "air-conditioning" refers to a system or process that cools, dehumidifies, and sometimes filters the air in a building, vehicle, or room to create a comfortable indoor environment.
   • The equipment itself: It can also denote the machinery or apparatus used to achieve this climate control.

Usage Examples

• (A system that cools and dehumidifies the indoor air.)
• (The equipment that controls temperature inside the vehicle.)
• (The functional cooling apparatus in a specific space.)

Advanced Usage

• "central air-conditioning": a system that cools an entire building from a single unit, distributing cooled air through ducts.

  • The house has central air-conditioning, so every room stays cool. (A whole-building cooling system.)

• "air-conditioning unit": a specific machine, such as a window unit or split system, that provides cooling.

  • We bought a portable air-conditioning unit for the bedroom. (A standalone cooling device.)

Variants and Related Words

• Air-condition (verb): to cool or control the air in a space using an air-conditioning system.

  • They decided to air-condition the entire basement for the home theater. (To install or operate an air-conditioning system.)

• Air-conditioned (adjective): equipped with or cooled by an air-conditioning system.

  • The restaurant is air-conditioned, so it’s comfortable even in July. (Having a functioning cooling system.)

Synonyms

• Cooling system: a general term for any mechanism that lowers temperature.
• Climate control: a broader term that includes both heating and cooling.
• HVAC (Heating, Ventilation, and Air Conditioning): an integrated system for indoor climate management.

Related Idioms

• • His temper was like an air-conditioning system—always cool and controlled. (A metaphor for emotional composure.)

Phrasal Verbs