sinus

Other forms of sinus

plural

sinuses·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about sinus

What does sinus mean?

sinus means "an abnormal passage leading from a suppurating cavity to the body surface". That is the primary sense; the word has 3 in total, listed in full on this page.

How many syllables are in sinus?

sinus has 2 syllables: si-nus. The stress falls on "si". In IPA it is /ˈsaɪnəs/.

What is another word for sinus?

Close synonyms include fistula, venous sinus. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is sinus a common word?

sinus is banded "Familiar" — widely understood, used when the subject calls for it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.