Lexicon Definition
The vocabulary of a language.
Other Word Forms of Lexicon
Noun
Origin of Lexicon
English from the 17th century, from a Medieval Latin or New Latin lexicon, from Ancient Greek λεξικόν (lexicon, “a lexicon"), neuter of λεξικός (lexikos, “of words"), from λέξις (lexis, “a saying, speech, word"), from λέγειν (legein, “to speak").
From Wiktionary
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Medieval Latin from Greek lexikon (biblion) word(book) from neuter of lexikos of words from lexis word from legein to speak leg- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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