The meaning of TERTIARY is of third rank, importance, or value. How to use tertiary in a sentence.

Tertiary is another way of saying "third in importance," like socializing with co-workers being a tertiary reason for getting an after-school job — less important than, first, earning money and second, …

TERTIARY definition: 1. relating to a third level or stage 2. relating to education in colleges and universities: 3. A…. Learn more.

Define tertiary. tertiary synonyms, tertiary pronunciation, tertiary translation, English dictionary definition of tertiary. adj. 1. Third in place, order, degree, or rank.

Jan 2, 2026 · Founded in 1284, Peterhouse is the oldest of the colleges of the University of Cambridge in Cambridge, UK. Universities provide tertiary education (sense 1), after primary and secondary …

Definition of tertiary adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Tertiary is a term often used to describe a third level, stage, or order of something. In geology, it refers to the third epoch of the Cenozoic Era, between the Cretaceous and Quaternary periods. In education, …