sinusitis

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noun si·nus·i·tis \ˌsīn-yə-ˈsī-təs, ˌsī-nə-\

Definition of sinusitis

  1. :  inflammation of a sinus of the skull

1896

First Known Use of sinusitis

1896


SINUSITIS Defined for English Language Learners

sinusitis

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noun si·nus·i·tis \ˌsīn-yə-ˈsī-təs, ˌsī-nə-\

Definition of sinusitis for English Language Learners

  • medical : painful swelling of the tissues inside the sinuses


Medical Dictionary

sinusitis

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noun si·nus·itis \ˌsī-n(y)ə-ˈsīt-əs\

Medical Definition of sinusitis

  1. :  inflammation of a sinus of the skull



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