薛苏一世
目前最长正式英语单词是pneumonoultramicroscopicsilicovolcanoconiosis，[医]肺尘病,矽肺病（共有45个英文字母）。
音标['nju:mənəʊ ˌʌltrə-ˌmaɪkrəs' kɒpɪk'sɪlɪkəvɒl'keɪnəʊ kəʊnɪ'əʊsɪs]
词根
pneumono- (of lung 肺的)ultra- (beyond 越过)micro (very small 极小的)scopic- (of viewing or observing 观察或注意的)silico- (of silicon 硅的)coni- ( koni, of dust 尘土的)osis-(forming the name of a disease [表示疾病])
网络上广泛传播的1913个字母的最长英文“单词”只是一种谬论。最长的英文单词“色氨酸合成酶a蛋白质”（一种含有267种氨基酸的酶）的化学名根据英文造字规则，一共有189819个字母，全部读完需要花费约3.5小时。
辟谣
这个词在形式上是按顺序将蛋白的所有氨基酸残基的英文名排列在一起。其真实的英文名称只有五个字母：Titin.
张凉凉2779
Lopadotemakhoselakhogameokranioleipsanodrimypotrimmatosilphiokarabomelitokatakekhymenokikhlepikossyphophattoperister-alektryonoptokephalliokigklopeleiolagōiosiraiobaphētraganopterýgōn, 古希腊喜剧作家 Aristophanes创造的被认可的单词 183个字母 这是一道菜名 这个单词包含了所有用料的名字 你可以把这个单词复制下来去Google里检验 没错的“色氨酸合成酶a蛋白质”（一种含有267种氨基酸酶）的化学名 1913个字母的那个没有被承认 不是单词
Sunny彩妆半永久
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幸福的小萝卜
综述：
Lopadotemakhoselakhogameokranioleipsanodrimypotrimmatosilphiokarabomelitokatakekhymenokikhlepikossyphophattoperister-alektryonoptokephalliokigklopeleiolagōiosiraiobaphētraganopterýgōn.
是罗巴多替马克氏脊髓灰质炎无致病性脊髓灰质炎是一种新的多发性脊髓灰质炎的单词。
英语单词(English words)的产生是汉英两种语言双向交流的产物，一些带有中国特色的名称和概念进入了英语词汇，同时还有一些英语词汇进入了汉语，在文化环境中衍生出新的含义，形成了英语词汇的语义文化特征。
