pneumonoultramicroscopicsilicovolcanoconiosis

pneu·mo·no·ul·tra·mi·cro·sco·pic·si·li·co·vol·ca·no·co·ni·o·sis
UK/ˌnjuːmə.nəʊ.ʌl.tɹə.maɪ.kɹəʊˌskɒ.pɪkˌsɪ.lɪ.kəʊ.vɒl.keɪ.nəʊ.kəʊ.niˈəʊ.sɪs/US/nuˌmɑ.noʊ.ʌl.tɹə.maɪ.kɹoʊˈskɑ.pɪkˌsɪ.lɪ.koʊ.vɑl.kæ.noʊ.kä.niˈoʊ.sɪs/US/nuˈmɑ.noʊˌʌl.tɹə.maɪ.kɹoʊˈskɑ.pɪkˈsɪ.lɪ.koʊ.vɑlˌkeɪ.noʊ.koʊ.niˈoʊ.sɪs/

noun

A disease of the lungs, allegedly caused by inhaling microscopic silicate particles originating from the eruption of a volcano.

Scrabble 68

Meanings

nounpneumonoultramicroscopicsilicovolcanoconiosis (uncountable)

alternative pneumono­ultra­microscopic­silico­volcano­koniosis · alternative pneumon­ultra­microscopic­silico­volcano­coniosis

  1. nonce worduncountableA disease of the lungs, allegedly caused by inhaling microscopic silicate particles originating from the eruption of a volcano.

    It's either pneumonoultramicroscopicsilicovolcanoconiosis, or a bad cough.

    2002 December 18, Pod, “Pneumonoultramicroscopicsilicovolcanoconiosis”, in alt.fan.scarecrow (Usenet), message-ID <iHSL9.2091$h43.295898@stones>
    4 more examples

    Call it miner's asthma, silicosis, pneumonoultramicroscopicsilicovolcanoconiosis, coal workers' pneumoconiosis, or black lung—they are all dust diseases with the same symptoms.

    1980 March, Lorin E. Kerr, “Black Lung”, in Journal of Public Health Policy, volume 1, number 1, →JSTOR, page 50

    I say that it must be the silica dust That we breathed through our mouths and our noses That brought pneumonoultramicroscopicsilicovolcanoconiosis.

    1998 August 27, Smokey, “Lament for a Lung Disease”, in talk.bizarre (Usenet), message-ID <6s3r8o$brt$1@camel15.mindspring.com>

    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.

    2011 April 28, Kurt D. Stradtman, Am I the Person My Mother Warned Me About?: A Four-year College Experience ... Only the Good Parts, Xlibris, →ISBN, →LCCN, page 90

    Regarding the lack of funding and attention do you agree that there should be parity of esteem between mental conditions such as body dysmorphia and physical conditions such as pneumonoultramicroscopicsilicovolcanoconiosis.

    2017 July 31, Michael Bryan, quotee, “Boy, 16, uses 'longest word' in Parliament”, in BBC News, archived from the original on 03 Aug 2017

Origin

  1. Proto-Indo-European*plew-
  2. Proto-Indo-European*pléwmō
  3. Ancient Greekπλεύμων (pleúmōn)
  4. Ancient Greekπνέω (pnéō)influ.
  5. Ancient Greekπνεῦμα (pneûma)influ.
  6. Ancient Greekπνεύμων (pneúmōn)
  7. GermanPneumono-
  8. Proto-Indo-European*ken-
  9. Ancient Greekκόνις (kónis)
  10. GermanPneumonokoniosis
  11. Englishpneumonoconiosis
  12. Proto-Indo-European*h₂el-
  13. Latinūls
  14. Latinultrā
  15. Englishultra-
  16. Proto-Indo-European*mey-der.?
  17. Ancient Greekμῑκρός (mīkrós)
  18. Proto-Indo-European*speḱ-
  19. Proto-Indo-European*spéḱyeti
  20. Proto-Hellenic*sképt͏̌omai
  21. Ancient Greekσκέπτομαι (sképtomai)
  22. Ancient Greekσκοπός (skopós)
  23. Ancient Greekσκοπέω (skopéō)
  24. Latinmīcroscopium
  25. Italianmicroscopio
  26. Englishmicroscope
  27. Englishmicroscopic
  28. Englishultramicroscopic
  29. Latinsilex
  30. New Latinsilicium
  31. Englishsilicium
  32. Proto-Indo-European*kerh₃-der.?
  33. Latincarbōnem
  34. Frenchcarbone
  35. Englishcarbonbf.
  36. Englishsilicon
  37. Englishsilico-
  38. LatinVulcānu
  39. ItalianVulcano
  40. Italianvulcano
  41. Englishvolcano
  42. Englishpneumonoultramicroscopicsilicovolcanoconiosis

Coined by American puzzle designer and newspaper editor Everett Smith, President of the National Puzzlers' League, at their convention in 1935 as a deliberately long word. An extension of the medical term pneumonoconiosis (by surface analysis, pneumono- (“lung”) + coniosis (“disease caused by the inhalation of dust”)) with ultramicroscopic + silico- + volcano inserted between the two elements.

Full word history & related roots →

Translations

Chinese Mandarin 礦工氣管癌 /矿工气管癌
  • 礦工氣管癌 /矿工气管癌disease of the lungs
Czech pneumonoultramikroskoppicsilicovolcanokonióza
  • pneumonoultramikroskoppicsilicovolcanokoniózadisease of the lungs
Finnish pneumonoultramikroskopikosilikovulkanokonioosi
  • pneumonoultramikroskopikosilikovulkanokonioosidisease of the lungs
French pneumonoultramicroscopiquesilicovolcanoconiose
  • pneumonoultramicroscopiquesilicovolcanoconiosedisease of the lungs
German Quarzstaublunge, Quarzstaublungenkrankheit
  • Quarzstaublungedisease of the lungs
  • Quarzstaublungenkrankheitdisease of the lungs
  • Silikosedisease of the lungs
Italian pneumonoultramicroscopicsilicovolcanoconiosi
  • pneumonoultramicroscopicsilicovolcanoconiosidisease of the lungs
Japanese ニューモノウルトラマイクロスコーピックシリコヴォルケーノコニオシス, 塵肺
  • ニューモノウルトラマイクロスコーピックシリコヴォルケーノコニオシス (nyūmonōrutoramaikurosukōpikkushirikovorukēnokonioshisu)disease of the lungs
  • 塵肺 (jinhai, jinpai)disease of the lungs
Korean 뉴모노울트라마이크로스코픽실리코볼케이노코니오시스, 진폐증
  • 뉴모노울트라마이크로스코픽실리코볼케이노코니오시스 (nyumonoulteuramaikeuroseukopiksillikobolkeinokoniosiseu)disease of the lungs
  • 진폐증 (jinpyejeung)disease of the lungs
Portuguese pneumoultramicroscopicossilicovulcanoconiose
  • pneumoultramicroscopicossilicovulcanoconiosedisease of the lungs
Spanish neumoconiosis
  • neumoconiosisdisease of the lungs

Rhymes & wordplay

Rhymes with pneumonoultramicroscopicsilicovolcanoconiosis

All rhymes →
Cite this entry
APA

pneumonoultramicroscopicsilicovolcanoconiosis. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/pneumonoultramicroscopicsilicovolcanoconiosis

MLA

“pneumonoultramicroscopicsilicovolcanoconiosis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pneumonoultramicroscopicsilicovolcanoconiosis. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “pneumonoultramicroscopicsilicovolcanoconiosis,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/pneumonoultramicroscopicsilicovolcanoconiosis.

Source: pneumonoultramicroscopicsilicovolcanoconiosis on Wiktionary, CC BY-SA 4.0.