frontal sinus


Definition: Meaning of, frontal sinus in English to English dictionary.

Pronunciation: / ˈfrʌnt(ə)l ˈsʌɪnəs /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
frontal sinus frontal sinuses
  1. one of a pair of cavities in the frontal bone
    SYNONYM
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    ANTONYM
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synonym
antonym