Dictionary

sinusitis

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

medical : painful swelling of the tissues inside the sinuses

Full Definition of SINUSITIS

:  inflammation of a sinus of the skull

First Known Use of SINUSITIS

1896

sinusitis

noun si·nus·itis \ˌsī-n(y)ə-ˈsīt-əs\   (Medical Dictionary)

Medical Definition of SINUSITIS

:  inflammation of a sinus of the skull

Browse

2 ENTRIES FOUND:
Next Word in the Dictionary: sinus nodePrevious Word in the Dictionary: sinus glandAll Words Near: sinusitis
May 22, 2015
nepotism Hear it
favoritism based on kinship
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears