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Definitions

tertiary

[tur-shee-er-ee, tur-shuh-ree] / ˈtɜr ʃiˌɛr i, ˈtɜr ʃə ri /
ADJECTIVE
third
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The books were rather secondary, or even tertiary.

From Los Angeles Times • Apr. 9, 2026

Microsoft is also providing tools and training for tertiary students, teachers and nonprofits.

From The Wall Street Journal • Apr. 1, 2026

"The drug creates an immune microenvironment within the tumor, and essentially replaces the tumor with these tertiary lymphoid structures."

From Science Daily • Mar. 16, 2026

The firms that treat prompting AI as something to become fluent in — not a gimmick or tertiary function — will win.

From MarketWatch • Feb. 25, 2026

The Hab had secondary and tertiary communications systems, but they were both just for talking to the MAV, which would use its much more powerful systems to relay to Hermes.

From "The Martian" by Andy Weir




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