lexicon

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lex·i·con / ˈleksiˌkän; -kən/ • n. (pl. -cons or -ca / -kə/ ) 1. the vocabulary of a person, language, or branch of knowledge: the size of the English lexicon. ∎  a dictionary, esp. of Greek, Hebrew, Syriac, or Arabic: a Greek–Latin lexicon.2. Linguistics the complete set of meaningful units in a language.

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