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Intelligenz - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

Borrowed from Latin intelligentia (“intelligence”), a variant of intellegentia.

Intelligenz f (genitive Intelligenz, plural Intelligenzen)

  1. intelligence (capacity of mind)

The uncommon plural of this word refers to intelligent life (e.g. außerirdische Intelligenzen), although this sense is becoming dated.