n. 震动, 震撼, 动乱, 惊厥, 痉挛

[医] 惊厥, 抽搐

Convulsion \Con*vul"sion\, n. [L. convulsio: cf. F. convulsion.]
1. (Med.) An unnatural, violent, and unvoluntary contraction
of the muscular parts of an animal body.

2. Any violent and irregular motion or agitation; a violent
shaking; a tumult; a commotion.

Those two massy pillars,
With horrible convulsion, to and fro
He tugged, he shook, till down they came. --Milton.

Times of violence and convulsion. --Ames.

Syn: Agitation; commotion; tumult; disturbance.