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

Tertiary means third in order, third in importance, or at a third stage of development. He must have come to know those philosophers through secondary or tertiary sources. ...the …

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

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 …

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

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 …

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 …