Standard Lemma guide

hydrothorax

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

The presence of serous fluid (liquid) in the pleural cavity.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: effusion

2

noun

Meaning 2

accumulation of fluid in the pleural cavity (the space between the lungs and the walls of the chest) often resulting from disease of the heart or kidneys

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: congestion

History

Etymology

From hydro- + thorax.

Across languages

Translations

2 source translations are retained for this English entry.

  • Catalan: hidrotòrax — presence of fluid in the pleural cavity
  • Italian: idrotorace — presence of fluid in the pleural cavity