Lexicon

n.

1.

A vocabulary, or book containing an alphabetical arrangement of the words in a language or of a considerable number of them, with the definition of each; a dictionary; especially, a dictionary of the Greek, Hebrew, or Latin language.

Noun	1.	lexicon - a language user's knowledge of words Synonyms: mental lexicon, vocabulary
	2.	lexicon - a reference book containing an alphabetical list of words with information about them Synonyms: dictionary

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