noun
specialized dictionary
A dictionary covering a specific field, such as law, medicine, or computing, rather than a general-purpose dictionary.
医学の専門辞書を買った。
I bought a specialized dictionary of medicine.
この専門辞書は法律用語を詳しく説明している。
This specialized dictionary explains legal terms in detail.
Compound of 専門 (せんもん, 'specialty') and 辞書 (じしょ, 'dictionary').