"wasser luft etc umwaelzen" in English Wasser/Luft etc. umwälzen {v.t.} to circulate to recirculate water/air etc. Detailed translations for "wasser luft etc umwaelzen" Wasser/Luft etc. umwälzen{transitive verb} Wasser/Luft etc. umwälzen(also: treiben, zirkulieren, umlaufen, kreisen) to circulate Wasser/Luft etc. umwälzen to recirculate water/air etc.