noun
A type of Japanese vocational college offering two-year and four-year courses focused on practical skills development.
彼は職業能力開発大学校で機械工学を学んだ。
He studied mechanical engineering at a polytechnic college.
職業訓練校 is a broader term for vocational training schools, while 職業能力開発大学校 specifically refers to polytechnic colleges with both two-year and four-year programs.
Compound of 職業 (occupation), 能力 (ability), 開発 (development), and 大学校 (college). The term is a formal designation for institutions under Japan's vocational education system.