Previously, the longest word was considered… (буква · длинный · язык)

Previously, the longest word was considered 'prevyshkomnogorassmotritel' (35 letters). The top five longest words also included 'gidrazinokarbonilmetilbromfenildigidrobenzdiazin' (50 letters), 'tiflosurdooligofrenopedagogika' (30 letters), and 'vodogryazetorfoparafinolечение' (29 letters), according to RIA Novosti.

Consensus

• The longest word in the Russian language is 'тетрагидропиранилциклопентилтетрагидропиридопиридиновые'
• It contains 55 letters
• It was found in a chemical patent
• The previous record holder was 'превысокомногорассмотрительствующий' with 35 letters
• Other long words include 'гидразинокарбонилметилбромфенилдигидробенздиазепин' (50 letters), 'тифлосурдоолигофренопедагогика' (30 letters) and 'водогрязеторфопарафинолечение' (29 letters)
• The Institute of Russianist Studies made the announcement

Points of divergence

• The word was found in a patent on a chemical compound — fontanka
• Researchers used artificial intelligence to identify the word — vedomosti
• The word was discovered in the title of a patent for a chemical compound — vesti
• The word was found in the title of a patent on a chemical compound — vm

Coverage (4 sources)

• Linguists Name the Longest Word in Russian — Фонтанка
• Scientists named the longest word in the Russian language — Ведомости
• Longest word in the Russian language named — Вести
• Russian Linguistics Institute Names Five Longest Words in the Russian Language — Вечерняя Москва

Key entities

• Institute of Slavic Studies
• RIA Novosti
• RAS
• Moscow
• Института русского языка имени В. В. Виноградова
• Владимир Пахомов
• Guinness World Records
• Russia