Thelongest word in theRomanian language ispneumonoultramicroscopicsilicovolcaniconioză, the long name ofsilicoză (silicosis). It consists of 44 letters and refers to achronicrespiratory disease.[1] Its name in theEnglish language ispneumonoultramicroscopicsilicovolcanoconiosis, which is itself thelongest English word registered in a major Englishdictionary.[2][3] Nevertheless, neither this word nor several subsequent Romanian longest words are recognized by theDicționarul explicativ al limbii române ("Explanatory Dictionary of the Romanian Language", DEX).[1] Instead, the longest word collected by the DEX iselectroglotospectrografie, which is amedical stabilization method, has 25 letters and comes from theFrench wordélectroglottospectrographie.[4][5]
The list of the longest Romanian words is the following:[1][6]
The following longest Romanian words are mostly made up of words with 23 or 21 letters.[5]
There are also other Romanian words that break other records within the language. The longest word that can be formed with only two vowels isuiuiu (aninterjection) and the longest one that uses all vowels including the ones with diacritics isautoînsămânțările.[1][6] Both are registered in the DEX.[7][8]