noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An effusion of watery liquid into the cavity of a joint, usually the knee. countable, uncountable
2. 2
   inflammation and swelling of a movable joint because of excess synovial fluid wordnet

Synonyms

All synonyms

intermitent hydrarthrosis

Etymology

From hydro- + arthrosis.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.