synovial
adjective /saɪˈnəʊviəl/, /sɪˈnəʊviəl/
/sɪˈnəʊviəl/
(biology- (of a part of the body
) having a membrane (= a piece of very thin skin) containing liquid between the bones, which allows the joint to move freely身体部位 (含)滑膜的 词源mid 18th cent.: from modern Latin synovia, probably formed arbitrarily by Paracelsus (c. 1493-1541), the Swiss physician.