Word.ws English Dictionary

paranasal sinus

paranasal sinus noun: any of a number of air-filled spaces, or sinuses, within the bones of the skull and face.

Noun

paranasal sinus (plural paranasal sinuses)

  1. Any of a number of air-filled spaces, or sinuses, within the bones of the skull and face.
    Synonyms:
    parasinus, sinus paranasalis

Synonyms of paranasal sinus

Forms of paranasal sinus

pluralparanasal sinuses

Questions about paranasal sinus

What does paranasal sinus mean?
Paranasal sinus means any of a number of air-filled spaces, or sinuses, within the bones of the skull and face.
What part of speech is paranasal sinus?
Paranasal sinus is a noun.
What is the plural of paranasal sinus?
The plural of paranasal sinus is paranasal sinuses.

Words near paranasal sinus in the dictionary

  1. paranal
  2. Paranan
  3. paranaphthalene
  4. Paranas
  5. paranasal
  6. paranasal sinus
  7. paranasal sinuses
  8. paranasopharyngeal
  9. paranatal
  10. paranatellon
  11. paranatellons

Source and license

Adapted from Wiktionary: paranasal sinus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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