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demyelinate

American  
[dih-mahy-uh-luh-neyt] / dɪˈmaɪ ə ləˌneɪt /

verb (used with object)

demyelinated, demyelinating
  1. to obliterate or remove the myelin sheath from (a nerve or nerves).


Etymology

Origin of demyelinate

First recorded in 1960–65; de- + myelin + -ate 1