TOP

Definition of sinusitis noun from the Oxford Advanced Learner's Dictionary

sinusitis

noun

/ˌsaɪnəˈsaɪtɪs/

/ˌsaɪnəˈsaɪtɪs/

[uncountable]

jump to other results

the painful swelling of the sinuses

Questions about grammar and vocabulary?

Find the answers with Practical English Usage online, your indispensable guide to problems in English.

See sinusitis in the Oxford Advanced American Dictionary

Check pronunciation: sinusitis

Nearby words

noun

From the Topic

B2

Oxford Learner's Dictionaries Word of the Day