ballism

noun

bal·​lism ˈbal-ˌiz-əm How to pronounce ballism (audio)
variants or ballismus
bə-ˈliz-məs How to pronounce ballism (audio)
plural ballisms or ballismuses
: the abnormal swinging jerking movements sometimes seen in chorea

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“Ballism.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ballism. Accessed 26 Mar. 2025.

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