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sinus

noun
/ˈsaɪnəs/

Meaning

A cavity within a bone or tissue, especially those in the bones of the face connected with the nasal cavities.

Example Sentences

He suffered from a sinus infection that caused headaches.

Example Expressions

sinus infection

Synonyms

cavity, hollow, chamber, recess

Antonyms

solid, fullness

Collocations

sinus infection, sinus pain, sinus congestion, sinus cavity

Related Vocabularies

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