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Definitions

sinus

[sahy-nuhs] / ˈsaɪ nəs /


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 seeds of Scott’s journey into offshore medical treatments can be traced to about 2002, when he began to experiment with fasting as a way to prevent persistent sinus infections.

From Slate • Mar. 30, 2026

A common respiratory bacterium that typically causes pneumonia and sinus infections may also play a role in Alzheimer's disease.

From Science Daily • Feb. 21, 2026

Insmed slumped 15% after the pharmaceutical company ended development of a sinus drug following a failed study.

From Barron's • Dec. 18, 2025

Patel’s opening statement was punctuated by a series of snorts so loud that it seemed he might soon eject a noodle from his sinus cavity.

From Salon • Sep. 17, 2025

Perhaps fifty yards in front of them, a brown-gray creature was pushing his long snout into the ground and snorting like he had a sinus infection.

From "An Abundance of Katherines" by John Green