vocabulary

/voʊˈkæbjəˌlɛri/
noun
  1. All the words that a person knows or uses.
    • She has a large vocabulary for a child her age.
    • Learning new vocabulary is important for writing well.
    • Reading every day helps expand your vocabulary.
  2. The set of words used in a particular language, field, or subject.
    • The vocabulary of computer science changes quickly.
    • Medical vocabulary includes many Latin terms.
    • Each profession has its own specialized vocabulary.
  3. A list of words with their meanings, often for learning purposes.
    • The teacher handed out a vocabulary sheet with new words.
    • The textbook includes a vocabulary at the end of each chapter.
    • He studied the vocabulary list before the test.
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