evaporative cooler

[ ih-vap-er-uh-tiv koo-ler ]

noun

1. a device that cools the air in a room or building through the evaporation of water, which displaces the ambient hot air and provides a steady flow of fresh air:

   Our evaporative coolers work great here in Nevada, but I’m afraid where you live in the Northeast it’s just too humid for effective evaporation.

Word History and Origins

Origin of evaporative cooler¹

First recorded in 1880–85

Example Sentences

Instead, Filipiak relies on an evaporative cooler, until summer rains and humidity in July and August render it useless.

From Washington Post

On hot summer nights they’ve been hesitant to turn on their evaporative cooler because it sucks stinky air into the house, he said.

From Washington Times

The 44 private rooms and six dorms are furnished with original pieces, and an evaporative cooler in the hallway blasts Arctic air through the transoms.

From Washington Post

Rawal is particularly intrigued by one technology in particular: the evaporative cooler.

From The Verge

Grand Valley United Methodist in Parachute replaced two old gas-fired furnaces and an evaporative cooler with two more efficient furnaces and a heat pump.

From Washington Times