pneumonoultramicroscopicsilicovolcanoconiosis

(redirected from Pneumonoultramicroscopicsilicovolcanokoniosis)

pneumonoultramicroscopicsilicovolcanoconiosis

a disease caused by the prolonged inhalation of fine siliceous dust. Also spelled pneumonoultramicroscopicsilicovolcanokoniosis.
See also: Disease and Illness
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878,000 The approximate number of words in the OED online at present pneumonoultramicroscopicsilicovolcanokoniosis The longest word in the OED with 45 letters.
The spellers' favorite words include tchotchke (an inexpensive showy trinket or young woman), pneumonoultramicroscopicsilicovolcanokoniosis (referring to lung disease from silica dust, a word coined in the 1930s with the purpose of being the longest word in the English dictionary), and weissnichtwo (an indefinite, unknown, or imaginary place).

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