Standard Lemma guide

hydrarthrosis

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

An effusion of watery liquid into the cavity of a joint, usually the knee.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: intermitent hydrarthrosis

Antonyms: none provided

2

noun

Meaning 2

inflammation and swelling of a movable joint because of excess synovial fluid

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: inflammation, redness, rubor

Narrower terms: water on the knee

History

Etymology

From hydro- + arthrosis.

Across languages

Translations

4 source translations are retained for this English entry.

  • French: hydrarthrose — effusion of watery liquid
  • Galician: hidrartrose — effusion of watery liquid
  • Greek: ύδραρθρος (ýdrarthros) — effusion of watery liquid
  • Greek: ύδραρθρο (ýdrarthro) — effusion of watery liquid