1) Circulation again 
Returning a fraction of the effluent outflow to the inlet to dilute incoming wastewater. ... (05 Dec 1998) ... 
(re-sur″ku-la´shәn) in hemodialysis, circulation of part of the blood from the venous line to the arterial line and back into the patient's body without dialyzing it.
Type: Term Pronunciation: rē′sŭr-kyū-lā′shun Definitions: 1. Circular movement of the mucus blanket in a paranasal sinus due to the presence of an accessory ostium or failure to include the natural ostium in the sinusotomy.
Recirculation is the process of pulling the wort from the base of the mash tun or lauter tun and recirculating it back on to the top of the grain bed. Recirculation typically occurs after the end of the mashing process. As the hot wort is recirculated through the grain bed of the mash, the grains act as a particle filter clearing the wort. As the w...
noun circulation again