pneumonoultramicroscopicsilicovolcanoconiosis
noun [ U ] uk/njuːˌməʊ.nəʊˌʌl.trə.maɪ.krəˌskɒp.ɪkˌsɪl.ɪ.kəʊ.vɒl.keɪ.nəʊ.kɒn.iˈəʊ.sɪs/ us/nuːˌmə.noʊˌʌl.trə.maɪ.krəˌskɑː.pɪkˌsɪl.ɪ.koʊ.vɑːlˌkeɪ.noʊ.kɑː.niˈoʊ.sɪs/
超微粒硅酸盐尘埃沉着症，火山矽肺病
a name that has been invented for a lung disease caused by breathing in very small pieces of ash or dust
The longest word in English, according to the Oxford English Dictionary, is pneumonoultramicroscopicsilicovolcanoconiosis - a chronic lung disease caused by the inhalation of fine silicate or quartz dust. 根据《牛津英语词典》，英语中最长的单词是pneumonoultramicroscopicsilicovolcanoconiosis，一种因吸入细小的硅酸盐或石英粉尘而引起的慢性肺部疾病。
- More examples
- Pneumono refers to the lung. Ultra means extremely, microscopic means tiny, silica is sand, volcano is self-evident, and coniosis is scarring. Put them all together and you have what the OED recognizes as the longest word in the English language, pneumonoultramicroscopicsilicovolcanoconiosis.