glossary of technical terms
A collection or list of specialized vocabulary with definitions, often used in academic, scientific, or professional contexts.
This glossary of technical terms contains many medical terms.
用語集 is a general glossary of terms, while 専門用語集 specifically refers to a glossary of technical or specialized terms.
Compound of 専門 (specialty, expert) + 用語 (terminology) + 集 (collection).