noun
lexicon
LEHK-sih-kuhn
noun
1
The full stock of words in a language, in a field, or known to a particular person.
"Medical students must learn an entirely new lexicon of Latin terms."
"Slang words rarely make it into the formal English lexicon."
2
A dictionary, especially one covering a specialized or classical language.
"She consulted a Greek lexicon to translate the ancient inscription."
How to Use Lexicon
Learner’s notesIn plain EnglishThe set of words that belong to a language, a subject, or a single person's vocabulary.
Common pairings
medical lexicon
expand your lexicon
the English lexicon
Word Forms
lexiconed past tense, lexica plural, lexicons plural, lexicons singular
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Medical students must learn an entirely new _____ of Latin terms.
Etymology
Via Latin from Greek lexikon, short for lexikon biblion ("book of words"), from lexis ("word, speech").