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The longest word in any of the major English language dictionaries is pneumonoultramicroscopicsilicovolcanoconiosis (45 letters), a word that refers to a lung disease contracted from the inhalation of very fine silica particles, specifically from a volcano; medically, it is the same as silicosis.

INTO JAPANESE

主要な英語辞書で最も長い単語は、pneumonoultramicroscopesilicovolcanoconiosis (45 文字) です。この単語は、特に火山からの非常に細かいシリカ粒子の吸入によって発症する肺疾患を指します。医学的には珪肺と同じです。

BACK INTO ENGLISH

The longest word in the major English dictionaries is pneumonultramicroscopesilicovolcanoconiosis (45 characters). This word specifically refers to lung disease caused by inhalation of very fine silica particles from volcanoes. Medically, it is the same as silicosis.

INTO JAPANESE

主要な英語辞書で最も長い単語は、pneumonultramicroscopesilicovolcanoconiosis (45 文字) です。この言葉は、特に火山からの非常に細かいシリカ粒子の吸入によって引き起こされる肺疾患を指します。医学的には珪肺と同じです。

BACK INTO ENGLISH

The longest word in the major English dictionaries is pneumonultramicroscopesilicovolcanoconiosis (45 characters). The term specifically refers to lung disease caused by inhalation of very fine silica particles from volcanoes. Medically, it is the same as silicosis.

INTO JAPANESE

主要な英語辞書で最も長い単語は、pneumonultramicroscopesilicovolcanoconiosis (45 文字) です。この用語は特に、火山からの非常に細かいシリカ粒子の吸入によって引き起こされる肺疾患を指します。医学的には珪肺と同じです。

BACK INTO ENGLISH

The longest word in the major English dictionaries is pneumonultramicroscopesilicovolcanoconiosis (45 characters). The term specifically refers to lung disease caused by inhalation of very fine silica particles from volcanoes. Medically, it is the same as silicosis.