Grade 5

sinus

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(si-nus) 2 syllables

Definition

noun. a cavity or hollow space in the body.

Example Sentence

I have a sinus infection.

More Example Sentences

A sinus infection can cause headaches.

Synonyms

cavity; hollow; recess

Antonyms

closing; blockage

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sinus
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Rhymes

  • dryness
  • highness
  • linus
  • minus
  • shyness
  • sinus
  • slyness
  • wryness

  • aquinas
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