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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

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

From Barron's • Dec. 18, 2025

Before undergoing the treatment, performed under local anaesthetic, she said her surgeon told her she would have a sinus lift and a bone graft, along with removing her veneers and having implants put in.

From BBC • Sep. 17, 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

—You know I’ve had a sinus headache, dear.

From "Tears of a Tiger" by Sharon M. Draper