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sinus

noun

a wide channel containing blood; does not have the coating of an ordinary blood vessel

Quick reference

Word Facts

Word length
5
Starts with
S
Ends with
S
Contains
IN
Scrabble score
5
Database source
OEWN 2025 Core

How it sounds

Pronunciation

ˈsaɪnəs

Meaning

Definitions

noun

  1. a wide channel containing blood; does not have the coating of an ordinary blood vessel

noun

  1. any of various air-filled cavities especially in the bones of the skull

noun

  1. an abnormal passage leading from a suppurating cavity to the body surface

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Synonyms

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