业大 Traditional form: 業大 Pinyin (reading): yèdà Definitions: part-time college (abbr. for 業餘大學/业余大学 (yèyúdàxué)) Characters: 业 - business, profession; to study, to work 大 - big, great, vast, high, deep Traditional characters: 業 - business, profession; to study, to work 大 - big, great, vast, high, deep