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 …

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.

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 …

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 …

The Tertiary Period is characterized by the appearance of modern flora, insects, fish, amphibians, and reptiles, and by the dominance of mammals as vertebrate life forms on land.

ter•ti•ar•y (tûr′ shē er′ē, tûr′ shə rē), adj., n., pl. -ar•ies. third. noting or containing a carbon atom united to three other carbon atoms. formed by replacement of three atoms or groups.

TERTIARY definition: of the third order, rank, stage, formation, etc.; third. See examples of tertiary used in a sentence.