陣攣的
Clonic \Clon"ic\, a. [Gr. klo`nos a violent, confused motion; cf. F. clonique.] (Med.) Having an irregular, convulsive motion. --Dunglison. {Clonic spasm}. (Med.) See under {Spasm}.
clonic adj : of or relating to abnormal neuromuscular activity characterized by rapidly alternating muscle contraction and relaxation; "clonic spasm"