ˈ ̷ ̷( ̷ ̷) ̷ ̷ˌ- noun
Etymology: aer- + filter
: a sewage filter bed that employs coarse material and is operated at relatively high speed often with recirculation
ˈ ̷ ̷( ̷ ̷) ̷ ̷ˌ- noun
Etymology: aer- + filter
: a sewage filter bed that employs coarse material and is operated at relatively high speed often with recirculation
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012