tertiary

adjective
🔊/ˈtɜːʃəri/
🔊/ˈtɜːrʃieri/
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  1. third in order, rank or importance第三的;第三位的;第三级的
    • the tertiary sector (= the area of industry that deals with services)第三产业部门
    compare primary, secondaryTopics Educationc2
    Oxford Collocations DictionaryTertiary is used with these nouns:
    • care
    • college
    • education
    See full entry
    Word Originmid 16th cent.: from Latin tertiarius ‘of the third part or rank’, from tertius ‘third’.