Why do we use the term air conditioner to refer a machine for cooling air, when we use the word heater to describe a mechanism for heating air? The term air conditioning was borrowed from the textile industry, where it referred to filtering and...
desert cooler n.— Note: Wikipedia has a decent entry for this type of air conditioner. Collins is the only mainstream dictionary publisher to include the term, but does so with an outdated definition: “a cooling device in which air is...