reconstruction / rebuilding
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reconstruction
The process of restoring something that has been destroyed or badly damaged. It often refers to buildings, cities, or infrastructure.
Der Neuaufbau der Kathedrale nach dem Brand wird viele Jahre dauern.
The reconstruction of the cathedral after the fire will take many years.
'Neuaufbau' is made up of 'neu' (new) and 'Aufbau' (construction/structure). 'Aufbau' itself comes from the verb 'aufbauen' (to build up). So the word describes the process of building or structuring something again from the ground up.
Der Neuaufbau der zerstörten Brücke hat begonnen.
The reconstruction of the destroyed bridge has begun.
The noun 'der Neuaufbau' (reconstruction/rebuilding) belongs to the separable verb 'neu aufbauen' (to rebuild). The noun describes the result or the process of this action.
Die Stadt wurde nach dem Krieg komplett neu aufgebaut.
The city was completely rebuilt after the war.
You can tell whether the literal or figurative meaning is intended from the object. If it is about buildings or cities, it is literal. If it is about companies, teams, or systems, it is meant abstractly.
Der Neuaufbau der Altstadt ist ein großes Projekt.
The reconstruction of the old town is a major project.
'Neuaufbau' (reconstruction/rebuilding) is often used with verbs that describe a process. Typical combinations are 'den Neuaufbau beginnen' (to begin the reconstruction/rebuilding), 'den Neuaufbau unterstützen' (to support the reconstruction/rebuilding), or 'den Neuaufbau vorantreiben' (to push forward the reconstruction/rebuilding).
Viele Freiwillige unterstützen den Neuaufbau des Sportvereins.
Many volunteers are supporting the rebuilding of the sports club.
new building
'der Neubau' and 'der Neuaufbau' sound similar and both have to do with something new. 'Neubau' means a newly constructed building or the construction of a new building. 'Neuaufbau' is used when something destroyed or badly damaged is rebuilt. It can also refer to a fundamental new organization, for example in a team or company. The risk of confusion lies in the word part 'neu'. Memory tip: With 'Neubau', something new is created; with 'Neuaufbau', something is created again or reorganized.
Nach dem Brand plant die Stadt den Neuaufbau der alten Bibliothek.
After the fire, the city is planning the reconstruction of the old library.
Der Neubau der Klinik soll im Herbst eröffnet werden.
The new clinic building is scheduled to open in the fall.