tertiary

Từ điển Oxford Advanced Learner 8th

ter·tiary [tertiary tertiaries] BrE [ˈtɜːʃəri] NAmE [ˈtɜːrʃieri] NAmE [ˈtɜːrʃəri] adjective
third in order, rank or importance
•the tertiary sector (= the area of industry that deals with services rather than materials or goods)
• (BrE)tertiary education (= at university or college level)
compare ↑primary, ↑secondary

Word Origin:
mid 16th cent.: from Latin tertiarius ‘of the third part or rank’, from tertius ‘third’.

• Từ đồng nghĩa / Synonyms:
  third, 3rd, Tertiary, Tertiary period