splitting
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splitting up
The division of a unit into two or more separate parts. This can refer to companies, organizations, groups, or also abstract concepts.
Die Aufspaltung des Konzerns in mehrere kleinere Firmen wurde von den Aktionären genehmigt.
The splitting up of the corporation into several smaller companies was approved by the shareholders.
'Die Aufspaltung' (the splitting) is the noun corresponding to the separable verb 'aufspalten' (to split up). The base verb 'spalten' means 'to split' or 'to divide.' The ending '-ung' turns the verb into a noun.
Man beschloss, das Unternehmen aufzuspalten.
They decided to split up the company.
The preposition 'in' (+ accusative) is very often used to describe which parts something is broken down into. This structure is useful for all meanings.
Die Aufspaltung der Firma in zwei unabhängige Bereiche war kompliziert.
The splitting up of the company into two independent divisions was complicated.
In general usage, people often speak of the splitting up of a company, a party, a department, or a society.
Die politische Debatte führte zur Aufspaltung der Partei.
The political debate led to the party splitting up.
This meaning is a technical term from physics and chemistry. You can recognize it from words like 'Atom' (atom), 'Kern' (nucleus), 'Energie' (energy), or chemical elements in the sentence.
Die Aufspaltung des Atomkerns wird auch Kernfission genannt.
The splitting of the atomic nucleus is also called nuclear fission.
This meaning is a technical term from psychology. You can recognize it from words like 'Abwehrmechanismus' (defense mechanism), 'Persönlichkeit' (personality), 'gut' (good), and 'böse' (bad/evil) in the context.
In der Therapie lernte sie, diese psychische Aufspaltung zu überwinden.
In therapy, she learned to overcome this psychological splitting.
separation
'die Trennung' and 'die Aufspaltung' can both describe a unit no longer staying together. 'Trennung' is broader and can simply mean that two things or areas are separated from one another. 'Aufspaltung' means more specifically that a whole is divided into two or more parts, for example a company, a group, or a topic. Learners may confuse the words because both have to do with dividing and moving apart. 'Trennung' fits generally, while 'Aufspaltung' fits especially when one unit gives rise to several new parts.
Die Aufspaltung der Firma in drei kleinere Unternehmen wurde gestern beschlossen.
The splitting up of the company into three smaller businesses was decided yesterday.
Die Trennung der privaten und beruflichen Nachrichten hilft mir beim Arbeiten.
Separating private and work messages helps me when I work.