adiadochokinesia

US: (ad′ē ad′ə kō ki nē′zhə, -zhē ə, -zē ə, -kī nē′-)

WordReference Random House Unabridged Dictionary of American English © 2026

ad•i•ad•o•cho•ki•ne•sia  (ad′ē ad′ə kō ki nē′zhə, -zhē ə, -zē ə, -kī nē′-), n. [Med.]

1. Pathology the inability to perform rapidly alternating muscular movements, as flexion and extension.

Also, ad•i•ad′o•cho•ki•ne•sis, (ad′ē ad′ə kō ki nē′sis, -kī nē′-), ad′i•ad′o•ko•ki•ne′sia, ad′i•ad′o•ko•ki•ne′sis. Cf. diadochokinesia. 

• a-⁶ + Greek diádocho(s) successor (dia- dia- + doch-, variant stem of déchesthai to receive + -os adjective, adjectival suffix) + -kinesia