bladed-surface aerator

bladed-surface aerator

[′blad·əd ‚sər·fəs ′er‚ād·ər]
(civil engineering)
A bladed, rotating component of a water treatment plant; used to infuse air into the water.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.