411 REFERENCE · Wiktionary
Disease X
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Introduced as a placeholder name by the World Health Organization in February 2018.
Proper noun
Disease X
en neologism A hypothetical unknown pathogen that could cause a future epidemic.
Anagrams
en adeeissx X-disease
en placeholder terms