DICTIONARY ENTRY
2 SYLLABLES
sinus
/'saɪnəs/ · saɪnəs
Sinus has 2 syllables: si · nus.
si
01
nus
02
noun. A wide channel containing blood; does not have the coating of an ordinary blood vessel.
noun. An abnormal passage leading from a suppurating cavity to the body surface.
noun. Any of various air-filled cavities especially in the bones of the skull.
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