- to expose to the action or effect of air or to cause air to circulate through: to aerate milk in order to remove odors.
- to change or treat with air or a gas, especially with carbon dioxide.
- Physiology. to expose (a medium or tissue) to air as in the oxygenation of the blood in respiration.
Origin of aerate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for aeration
Aeration is frequently referred to in works on the Aquarium.The Book of the Aquarium and Water Cabinet
The cilia which propel them secure the aeration of the system.Chambers' Edinburgh Journal
Especially is this so if the aeration is carried out in an atmosphere that is not perfectly clean and pure.Outlines of Dairy Bacteriology, 8th edition
H. L. Russell
In hot breads of this kind, aeration is used as the leavening agent.Woman's Institute Library of Cookery, Vol. 1
Woman's Institute of Domestic Arts and Sciences
In this plant the aeration is conducted by blowing in air at the base of the condenser.
- to charge (a liquid) with a gas, esp carbon dioxide, as in the manufacture of effervescent drink
- to expose to the action or circulation of the air, so as to purify
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for aeration
Online Etymology Dictionary, © 2010 Douglas Harper
- Exposure to air.
- Saturation of a fluid with air or a gas.
- The exchange of carbon dioxide and oxygen in the lungs.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- To add a gas, such as carbon dioxide, to a liquid.
- To supply with oxygen. Blood is aerated in the alveoli of the lungs.
- To supply with air or expose to the circulation of air.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.