noun
expert committee; technical committee
A committee formed to discuss or investigate specialized or technical matters, often within an organization or government body.
環境問題について専門部会が設置された。
An expert committee was set up to address environmental issues.
専門部会の報告書が来月公表される予定だ。
The technical committee's report is scheduled to be released next month.
委員会 is a general committee, while 専門部会 specifically implies a committee of experts or specialists.
Compound of 専門 (specialty, expert) and 部会 (sectional meeting, committee).