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Noun: lexicon  'lek-su,kón or 'lek-si-kun
  1. A language user's knowledge of words
    - vocabulary, mental lexicon
     
  2. A reference book containing an alphabetical list of words with information about them
    - dictionary

Derived forms: lexicons

Type of: cognition, knowledge, noesis, wordbook

Part of: language, speech

Encyclopedia: Lexicon