Definition of Royal Free disease in English:

Royal Free disease

noun

  • Chronic fatigue syndrome.

Origin

1950s; earliest use found in Journal of Hygiene. From the name of the Royal FreeHospital in London, where a cluster of cases occurred in 1955 + disease.

Pronunciation

Royal Free disease

/ˌrɔɪəl ˈfriː dɪˌziːz/