evaporation pan

noun

1. an atmometer consisting of a pan about 4 feet (1.2 meters) in diameter and 10 inches (25.4 centimeters) in depth.

Example Sentences

"This means the evaporation rate predicted by the evaporation pan cannot represent the real lake accurately."

From Science Daily

A few feet away, near the escalator down to the platform, the maintenance team had hung an evaporation pan.

From New York Times