of ninety-nine) (A group of ninety-nine) (Inverse of = ninety-nine) Danish Danish, like many Germanic languages, is capable of compounding words to create ad hoc compounds of potentially limitless length. Nevertheless, the constructed word – which means "a period of stabilising the planning of a specialist doctor's practice" – was cited in 1993 by the Danish version of the Guinness Book of World Records as the longest word in the Danish language at 51 letters long. It is however not possible (using Google) to find a text, which actually uses this word, except for in the context of discussing the longest Danish word. Dutch Dutch, like many Germanic languages, is capable of forming compounds of potentially limitless length. The 53-letter word , meaning "preparation activities plan for a children's carnival procession", was cited by the 1996 Guinness Book of World Records as the longest Dutch word. The longest word in the authoritative Van Dale Dutch dictionary (2009 edition) in plural form is ; 38 letters long, meaning "multiple personality disorders". The entry in the dictionary however is in the singular, counting 35 letters. The free dictionary, which has been certified by the Dutch Language Union (the official Dutch language institute) and is included in many open-source applications, contains the following longest words, which are 40 letters long: , "carriers' liability insurance"; , "drivers' liability insurance"; , "conformity assessment procedures" (38 letters) The word often said to be the longest in Dutch – probably because of its funny meaning and alliteration – which has also appeared in print, is ("construction ground for the Hottentot soldiers' tents exhibition"); counting 53 letters. English The 45-letter word is the longest English word that appears in a major dictionary. Originally coined to become a candidate for the longest word in English, the term eventually developed some independent use in medicine. It is referred to as "P45" by researchers. The 30-letter word pseudopseudohypoparathyroidism refers to an inherited disorder, named for its similarity to pseudohypoparathyroidism in presentation, which is in turn named for its similarity to hypoparathyroidism. This is the longest word that was not contrived with the sole intention of becoming the longest word. , at 29 letters and meaning the act of estimating something as being worth so little as to be practically valueless, or the habit of doing so, is the longest non-technical, coined word in Oxford Dictionaries of the English language. , at