Coined by Everett K Smith, President of the National Puzzlers’ League, at their convention in 1935, from Ancient Greek πνεύμων (pneúmōn, “lung”) + Latin ultra (“beyond”) + English microscopic + silico- + volcano + Ancient Greek κόνις (kónis, “dust”) + English -osis as an extension of the medical term pneumonoconiosis.
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pneumonoultramicroscopicsilicovolcanoconiosis (plural pneumonoultramicroscopicsilicovolcanoconioses)
- (nonce word) A factitious disease of the lungs, allegedly caused by inhaling microscopic silicate particles originating from eruption of a volcano.
2011 April 28, Stradtman, Kurt D., Am I the Person My Mother Warned Me About?: A Four-year College Experience ... Only the Good Parts, Xlibris, ISBN 9781462862887, LCCN 2011906469, page 90:
- I still can't watch House M.D. and not have my mind wonder […] Even I can fear of[sic] having Pneumonoultramicroscopicsilicovolcanoconiosis after watching it.
For more examples of usage of this term, see Citations:pneumonoultramicroscopicsilicovolcanoconiosis.
- The Oxford English Dictionary [Second Edition]