vocabulary

noun

1. (countable, uncountable)A usually alphabetized and explained collection of words e.g. of a particular field, or prepared for a specific purpose, often for learning.
2. (countable, uncountable)The collection of words a person knows and uses.

   “My Russian vocabulary is very limited.”

3. (countable, uncountable)The stock of words used in a particular field.

   “The vocabulary of social sciences is often incomprehensible to ordinary people.”

4. (countable, uncountable)The words of a language collectively; lexis.

   “The vocabulary of any language is influenced by contacts with other cultures.”

   “Vocabulary provides a foundation from which grammar, phonology, and morphology emerge, and in a subject area it provides access to conceptual knowledge. Vocabulary selection for pedagogical purposes is therefore crucial.”

5. (broadly, countable, uncountable)A range of artistic or stylistic forms or techniques.