The literature review relied heavily on a tertiary work to summarize the interpretations of primary and secondary sources.

The artist blended several tertiary colors on her palette to achieve a rich, layered effect.

Researchers compared the tertiary structures of several enzymes to understand their functional differences.

The archive contains not only primary and secondary materials but also several tertiary works that shed light on later interpretations.

The art student carefully mixed tertiary colours to achieve a subtle gradient for her painting.

Many students postpone full-time employment to pursue tertiary-level education, believing it will open more opportunities.

The refinery switched fuels to reduce emissions after discovering high levels of methyl tertiary butyl ether in the groundwater.