全世界最长的英文单词是什么？

 quanshijiezuizhangdeyingwendanciyouduozhang？dangxiaobianzhidaodaanshizhenggerendoubuhaole。jiliandanbaizheiyigecizaizhongwenlizhiyousigeziasigezi，ershijiezuizhangdeyingwendanciyouduoshaogezimu？

shibawanjiuqianbabaiyishijiuge！dui、nimeikancuojiushi189819gezimu。

quanshijiezuizhangdeyingwendancizheimekengdiededancishizenmedanshengde？zheijiuyaocongiupacmingmingfashuoqilai-le。

 zheigeshijieshangyouyigemingjiaointernational union of pure and applied chemistry（guojichuncuiyuyingyonghuaxuelianhehui）dezuzhi，tazuiyoumingdegongzuojiushidingyihuaxuedenglingyudezhuanyoumingci。tachuguoyiben“lanbaoshu”（nimeikancuo，tadewaihaojiushithe blue book）iupac nomenclature of organic chemistryyejiushi《iupacyoujihuaxuemingmingfa》。

 wocaixianglikegoumenzaigaozhonghedaxuejieduanyidingbeixitongmingmingfazhemoguoba？xiangxiang2、2、5-sanjiajijiwanzhileidedongdongzheijiushiiupacmingmingfadezhongwenban。ruguofanyichengyingwensanjiajijiwandedancizhangda15gezimutrimethylhexane。niyiweizheijiusuanzhangdancilema？qingkan“mengerchun”sangezideyingwenban：2-hydroxy-α、4-trimethylcyclohexanemethanol。zheigedanciyouduozhangni？shuxuebuhao+mijikongjuzhengdexiaobianyijingshubuguolaile。

 yinciyidanyushangmouxieliana、jiatebieduodehuahewu，tademingchengyejiuzhangdesangxinbingkuang。gugejizhonghanyouyizhongmingjiaojiliandanbaidedanbaizhitayou25000duogeanjiduan。zheizhijiedaozhitadexuemingchengweiquanshijiezuizhangdeyingwendanci、zhangduwei189819gezimu！

zheizhijiedaozhileiupacdelanbaoshucongweifaxingguozhizhibanben。