The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
pneumonia
1 ENTRIES FOUND:
pneumonia
(noun)
pneumonia
/nʊ
ˈ
moʊnjə/
Brit
/nju
ˈ
məʊnjə/
noun
pneumonia
/nʊ
ˈ
moʊnjə/
Brit
/nju
ˈ
məʊnjə/
noun
Britannica Dictionary definition of PNEUMONIA
[
noncount
]
medical
:
a serious disease that affects the lungs and makes it difficult to breathe
He caught/contracted
pneumonia
over the winter.
Her father died from/of
double pneumonia
. [=pneumonia in both lungs]
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
replenish
:
to fill or build up (something) again (
somewhat formal
)
Learn More »