hydrothorax
noun
hy·dro·tho·rax
ˌhī-drə-ˈthȯr-ˌaks 
: an excess of serous fluid in the pleural cavity
especially
: an effusion resulting from failing circulation (as in heart disease or from lung infection)
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“Hydrothorax.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrothorax. Accessed 26 Nov. 2024.
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hydrothorax
noun
hy·dro·tho·rax
-ˈthō(ə)r-ˌaks, -ˈthȯ(ə)r-
plural hydrothoraxes or hydrothoraces
-ˈthōr-ə-ˌsēz, -ˈthȯr-
: an excess of serous fluid in the pleural cavity
especially
: an effusion resulting from failing circulation (as in heart disease or from lung infection)
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