to index
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to place on the index
To put a medium such as a book, film, or computer game on an official list (the index), which restricts its sale and distribution, especially to young people.
Der Film wurde wegen seiner Gewaltdarstellungen für Jugendliche indiziert.
The film was placed on the index for young people because of its depictions of violence.
to be indicated
In medicine, it means that a particular treatment or procedure is considered necessary or indicated based on the diagnosis.
Bei einer schweren bakteriellen Infektion ist die Gabe von Antibiotika indiziert.
In the case of a severe bacterial infection, the administration of antibiotics is indicated.
to index
In library science or computer science, it means to create a register or index for a document or database in order to make searching for information easier.
Die Suchmaschine muss täglich Millionen neuer Webseiten indizieren.
The search engine has to index millions of new web pages every day.
All meanings of 'indizieren' (to index) are connected to the noun 'der Index' (the index), which means 'directory' or 'list'. So indizieren always means putting something into some kind of directory or pointing to something.
Die Bibliothekare indizieren alle neuen Bücher, damit man sie im Katalog findet.
The librarians index all new books so that they can be found in the catalog.
You can recognize the meaning from the context: In connection with media (film, game), it is about the protection of minors. In medicine (treatment, operation), it means 'to be indicated'. In IT (website, data), it is about creating search indexes.
Dieses Computerspiel wurde indiziert und darf nicht an Kinder verkauft werden.
This computer game was placed on the index and may not be sold to children.
In this meaning, the verb is usually used with media content. Typical objects are 'ein Buch' (a book), 'ein Film' (a film), 'ein Lied' (a song), or 'ein Computerspiel' (a computer game).
Die Behörde hat das Album wegen der Texte indiziert.
The authority placed the album on the index because of the lyrics.
In medical terminology, 'indizieren' (to indicate) is very often used in the passive. The phrase 'etwas ist indiziert' (something is indicated) means that a particular medical measure is advisable or necessary.
Bei diesem Krankheitsbild ist eine Physiotherapie dringend indiziert.
With this clinical picture, physiotherapy is urgently indicated.
This meaning is typical of the fields of computer science and library science. Common objects are 'Webseiten' (web pages), 'Dokumente' (documents), 'Daten' (data), or 'Inhalte' (content).
Google muss ständig das gesamte Internet neu indizieren.
Google constantly has to re-index the entire internet.
