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pneumonoultramicroscopicsilicovolcanoconiosis

American  
[noo-muh-noh-uhl-truh-mahy-kruh-skop-ik-sil-i-koh-vol-key-noh-koh-nee-oh-sis, nyoo-] / ˈnu mə noʊˌʌl trəˌmaɪ krəˌskɒp ɪkˈsɪl ɪˌkoʊ vɒlˌkeɪ noʊˌkoʊ niˈoʊ sɪs, ˈnyu- /

noun

  1. an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.


Usage

What does pneumonoultramicroscopicsilicovolcanoconiosis mean? Pneumonoultramicroscopicsilicovolcanoconiosis is a term for a lung disease caused by inhaling silica dust, as in I had trouble breathing and my doctor diagnosed me with pneumonoultramicroscopicsilicovolcanoconiosis.While pneumonoultramicroscopicsilicovolcanoconiosis is an actual medical term, most people will never hear a doctor (attempt to) say this absurdly long word.Pneumonoultramicroscopicsilicovolcanoconiosis is an obscure term that some people claim to be one of the longest words in the English language. At an astounding 45 letters long, this massive word is longer than other ludicrously huge words, such as antidisestablishmentarianism and floccinaucinihilipilification.The tendency to use long words like pneumonoultramicroscopicsilicovolcanoconiosis is called sesquipedalianism. If you have some sesquipedalian tendencies yourself, you might enjoy our article “The Longest Words in the English Language.”Example: I watched a comedy show where the host asked an eighth grader to spell “pneumonoultramicroscopicsilicovolcanoconiosis.”

Etymology

Origin of pneumonoultramicroscopicsilicovolcanoconiosis

< New Latin; pneumono-, ultramicroscopic ( def. ), silica, volcano, pneumonoconiosis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

His favorite word, pneumonoultramicroscopicsilicovolcanoconiosis, is “a disease caused by volcano ash,” he explained.

From Washington Post

Michael Bryan said the word pneumonoultramicroscopicsilicovolcanoconiosis - a lung disease - at a Youth Select Committee meeting on 14 July.

From BBC

The Oxford English Dictionary's longest word, at 43 letters, is pneumonoultramicroscopicsilicovolcanoconiosis, which refers to a lung disease caused by inhalation of silica dust.

From BBC

A House of Commons spokeswoman said although Mr Bryan's use of pneumonoultramicroscopicsilicovolcanoconiosis would not appear in Hansard, it would appear on the British Youth Council website.

From BBC