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Showing results for quaternary. Search instead for quatercentenari.
Definitions

quaternary

[kwot-er-ner-ee, kwuh-tur-nuh-ree] / ˈkwɒt ərˌnɛr i, kwəˈtɜr nə ri /
ADJECTIVE
four
Synonyms
STRONG
quadruple quadruplicate tetrad
WEAK
quadrigeminal quadripartite quadrivial quaternate
NOUN
four
Synonyms
STRONG
quadrivium quadrumvirate quadruple quadruplet quadruplets quartet quartette quaternion quaternity tetrad tetralogy
WEAK
quadrigeminal quadripartition

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.

Sunway Healthcare operates its flagship quaternary hospital in Kuala Lumpur, Malaysia’s capital.

From The Wall Street Journal • Feb. 6, 2026

Sunway Healthcare operates its flagship quaternary hospital in Kuala Lumpur, the country’s capital.

From The Wall Street Journal • Nov. 5, 2025

In the new findings, which were published in Science on April 5, 2024, Scripps Research chemists show that it's possible to convert feedstock chemicals into quaternary carbons using a single, inexpensive iron catalyst.

From Science Daily • Apr. 5, 2024

The Salyerses’ unusual marriage is known as a quaternary marriage, and their sons are known as quaternary twins.

From Washington Post • Aug. 24, 2022

“But that’s inside our house. The outside one’s for bodily waste, full of quaternary ammonium compound chemicals. You know, like that stinky blue soup at the bottom of a porta potty.”

From "Dry" by Neal Shusterman and Jarrod Shusterman