defining vocabulary

noun phrase

Meaning

A specific set of core terms that establish the essential concepts or boundaries of a particular subject, discipline, or field of study.

Examples

  • Mastering the defining vocabulary of economics is the first step toward understanding how global markets function.
  • The textbook includes a glossary of defining vocabulary at the end of each chapter to help students grasp complex technical concepts.

Synonyms: core terms, key terminology, lexicon, nomenclature