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

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

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, …

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

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

There are 25 meanings listed in OED's entry for the word tertiary, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

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

A tertiary source is an index or textual consolidation of already published primary and secondary sources [1] that does not provide additional interpretations or analysis of the sources. [2][3] Some …

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 complementary tertiary …

Sep 21, 2025 · Tertiary generally refers to the third level in a sequence. It is commonly used to describe education systems, healthcare levels, industrial classifications, geological periods, and more.