what is ment by aeration Share with your friends Share 0 Adhvik . answered this aeration means to give pressure to water to give birth to aerobic bacteria to clean all human,animal and other waste -1 View Full Answer Alina Merin Mathew answered this Aeration is the process by which air is circulated through, mixed with or dissolved in a liquid or substance. 0 Anuraag answered this adding oxygen into wastewater -1 Oka answered this Aeration means the amount or density of air in a certain matter 1