or·thop·nea
variants:
or chiefly British orthopnoea \
ȯr-ˈthäp-nē-ə also ˌȯr-ˌthäp-ˈnē-ə
\
Medical Definition of orthopnea
: difficulty in breathing that occurs when lying down and is relieved upon changing to an upright position (as in congestive heart failure)
Other Words from orthopnea
orthopneic
or chiefly British orthopnoeic \
-ik 
\ adjective
\ adjective
Learn More About orthopnea
Cite this Entry
“Orthopnea.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/orthopnea. Accessed 18 Oct. 2021.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Dog Words Quiz
-
- Which of the following animals has a dog in its etymology?
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Name that Thing: Musical Instruments
Can you correctly identify these musical instrume...
Take the quiz
-
Surprising Latin American Origins Behind Everyday Words
What treat did the Aztecs refer to as "bitter wat...
Take the quiz
-
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Take the quiz
Share orthopnea