| Deutsch | English |
|---|---|
| Verben | verbs |
| umwälzen | to revolve |
| umwälzen | to revolutionise |
| umwälzen | to revolutionize |
| Wasser/Luft etc. umwälzen | to circulate |
| umwälzen | to whirl |
| umwälzen | to turn |
| Sprachgebrauch | usage |
| Wasser/Luft etc. umwälzen | to recirculate water/air etc. |
| umwälzen | to turn around |
| umwälzen | to turn round |
| Das Umwälzen ungereinigter Luft sollte vermieden werden. | Recirculation of untreated air should be avoided. |