tertiary industryBrE /ˈtɜːʃəri ɪndəstri/ 🔊NAmE /ˈtɜːrʃieri ɪndəstri/ 🔊, /ˈtɜːrʃəri ɪndəstri/ 🔊 (also ˈservice industry) noun [uncountable, countable] (economics 经济学) the part of a country's economy that provides services 第三产业；服务业 ➡ compare primary industry, secondary industry