secondary industryBrE /ˈsekəndri ɪndəstri/ 🔊NAmE /ˈsekənderi ɪndəstri/ 🔊 noun [uncountable, countable] (economics 经济学) the section of industry that uses raw materials to make goods 第二产业（用原材料生产商品的产业） ➡ compare primary industry, tertiary industry