Meaning of the word "myalgic encephalomyelitis" in English

What does "myalgic encephalomyelitis" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

myalgic encephalomyelitis

US /maɪˌæl.dʒɪk enˌsef.ə.loʊ.maɪ.əˈlaɪ.t̬əs/
UK /maɪˌæl.dʒɪk enˌsef.ə.ləʊ.maɪ.əˈlaɪ.tɪs/

Noun

a chronic and complex illness characterized by profound fatigue that is not improved by rest, post-exertional malaise, cognitive dysfunction, and other symptoms that can affect multiple body systems

Example:
Patients with myalgic encephalomyelitis often experience severe fatigue and pain.
Research into the causes and treatments for myalgic encephalomyelitis is ongoing.