pneu‧mo‧ni‧a /njuːˈməʊniə $ nʊˈmoʊ-/
noun [uncountable][
Date: 1600-1700;
Language: Modern Latin;
Origin: Greek, from pneumon 'lung']
a serious illness that affects your lungs and makes it difficult for you to breathe:
She was taken to hospital, suffering from pneumonia. [TahlilGaran] Dictionary of Contemporary English ▲