[ air-ey-ter, ey-uh-rey- ]
/ ˈɛər eɪ tər, ˈeɪ əˌreɪ- /
an apparatus for aerating water or other fluids.
a device for introducing air into a bin of wheat or other grain in order to prevent the accumulation of moisture, keeping it free of fungi and insects.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for aerator
An aerator is used before filtration during the summer, when algae are likely to develop in the reservoir.