vocabulary

US /voʊˈkæb.jə.ler.i/
UK /voʊˈkæb.jə.ler.i/
"vocabulary" picture
1.

all the words known and used by a particular person

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She has an extensive English vocabulary.
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Reading helps to expand your vocabulary.
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lexiconword stockglossaryterminology
2.

a list or collection of words, often with their meanings, used in a particular language or subject

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The book includes a vocabulary at the end of each chapter.
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This technical vocabulary is specific to the field of engineering.
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word listglossarylexiconwordbook