upheaval / circulation
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upheaval
A profound, often revolutionary change that fundamentally reshapes existing conditions in politics, society, or technology.
Die Erfindung des Internets führte zu einer gesellschaftlichen Umwälzung von historischem Ausmaß.
The invention of the internet led to a social upheaval of historic proportions.
circulation
The technical or physical process by which something is mixed or set in circulation. This can refer to liquids, air, or even soil.
Die Pumpe sorgt für die ständige Umwälzung des Wassers im Aquarium.
The pump ensures the constant circulation of the water in the aquarium.
The word is derived from the verb 'umwälzen' (to turn over / to overturn), which literally means 'to turn something heavy completely over.' This image of turning over is used both for social changes and for the circulation of liquids.
Der Bauer muss die Erde auf dem Feld umwälzen.
The farmer has to turn over the soil in the field.
You can recognize the meaning from context. If it is about society, politics, or technology, a profound change is meant. In connection with words like 'Wasser' (water), 'Luft' (air), or 'Pumpe' (pump), it is about the physical process of circulation.
Die digitale Revolution war eine technische Umwälzung.
The digital revolution was a technological upheaval.
In a social context, 'Umwälzung' (upheaval) is often combined with adjectives such as 'sozial' (social), 'politisch' (political), 'gesellschaftlich' (societal), or 'technisch' (technological). Typical verbs are 'verursachen' (to cause), 'erleben' (to experience), or 'führen zu' (to lead to).
Die Industrialisierung führte zu tiefgreifenden sozialen Umwälzungen.
Industrialization led to profound social upheavals.
In the technical meaning, 'Umwälzung' (circulation) usually refers to liquids or gases. A typical device in this context is the 'Umwälzpumpe' (circulation pump), which is used, for example, in heating systems or aquariums.
Ohne die Umwälzpumpe würde das Heizungswasser nicht zirkulieren.
Without the circulation pump, the heating water would not circulate.
revolution
Revolution and Umwälzung can both refer to a radical and profound change. Revolution explicitly names a particularly far-reaching innovation with its own historical significance, whereas Umwälzung more generally describes the fundamental reshaping of existing conditions. Use Umwälzung when the change itself, rather than what it is called, is the focus.
Die technische Umwälzung stellte die bisherigen Produktionsabläufe in vielen Betrieben infrage.
The technological upheaval called the established production processes at many companies into question.
Die technische Revolution veränderte die Produktion in vielen Ländern grundlegend.
The technological revolution fundamentally changed production in many countries.
