世界上最长的单词是什么

 henduopengyouduiyingyuzheimenxuekedouganjuetouteng，youqishiyaobeisongzheimeduofenfanfuzadeyingwendancihejuzi，danshinihaiyiweinixianzaibeidedancitaizhangtainanma?jintianwomenlailejieyixiashijieshangzuizhangdedancishishenme，kanwanzhihoujingdaini!

一、世界上最长的英语单词是什么?

 pneumonoultramicroscopicsilicovolcanoconiosis(feichenbing)

词根：

pneumono- (of lung feide)

ultra- (beyond yueguo)

micro (very small jixiaode)

scopic- (of viewing or observing guanchahuozhuyide)

silico- (of silicon guide)

 volcano- (mountain that releases fire and ash huoshande)

coni- ( koni, of dust chentude)

osis-(forming the name of a disease biaoshijibing)

 shijieshangzuizhangdeyingyudancirushang，kanwannihaijuedezijipingshibeisongdeyingwendancihennanma?dangran，nilejiedehaibugouduo，wangxiakan!

二、世界上最长的单词是什么?

weixiao(smile)：yinweilianggezimusligeleyili。

三、世界上最长的英语单词，还有这些：

 honorificabilitudinitatibus——chuxianzaidawenhaoshashibiyadejuben《kongaiyichang》(love's labour's lost)li，yisishi“bushengguangrong”。

 antidisestablishmentarianism——genjufankehehuageruoersibiande《yingyuxinbiaozhunci》limiandejieshi，zheigezideyisishi“fanduijiaohuiyuguojiafenkaixueshuo”。tacengbeiyingguoshouxianggelaisidun(william ewart gladstone)yinshuguoyici。

 floccinaucinihilipipification——《niujinyingyucidian》lijiuyouzheigezi，yisishi“bamoushidejiazhijiayimoshadexingweihuoxiguan”。

 supercalifragilisticexpiadocious——chuxianzaiyibumingjiaomary poppinsdedianyingli，yisishi“hao”。

 hepaticocholecystostcholecystntenterostomy——chuxianzaigaodebiande《yixuecidian》li，weiyigewaikeshuyu，yijizaidannangyudanguanzhijianhuochangziyudannangzhijianjierengongguanzideshoushu。

 pneumonoultramicyoscpicailicovolcanoconiosis——chuxianzaiweishicidiandibabandebanbenzhongyisishi“xiruguisuanyanximohuoshiyingyanhuierxingchengdefeichenaichenzhebing”。kuanggongtebierongyidezheizhongbing。

 antipericatametaanaparcircumvolutiorectumgustpoops of the coprofied——yougetushuguandeshujiashang，chenliezhefaguozuojialaboleizhede《gegantahepantegu》gushixilie。qizhongyouyiben，shumingjiushizheigezhangzhangdeyingwenzi。

 osseocaynisanguineoviscericartilagininervomedullary——tashirentigouzaodeyigeshuyu，cengchuxianzaiyingguozuojiapikaoke(thomas love peacock,1785-1866)neibenmingjiaoheadlong halldexiaoshuozhong。

 aequeosalinocalcalinoceraceoaluminosocupreovitriolie——tashiyingguoyixuezuozheaidehua.shiteluozhe(dr edward strother，1675-1737)chuangzaodezi，zhuanyonglaixingrongyinggelangeluositexiaburuisituozheigedifangdekuangquanshuichengfen。

“seansuanhechengmeiadanbaizhi”(yizhonghanyou267zhonganjisuanmei)dehuaxueming。

 ranerraner，zheixiedoubushizuizhangde!shijieshangzuizhangdedancishi：jiliandanbai，tazuzuyou189819gezimu!youyutaizhang，jiubuzaizheilixiele……

 jiliandanbaiyeshimuqianyizhidededanbaizhi，tadefenziliangwei2700kda(25,000duogeanjiduan)，zhangduwei1μm，yuezhanjijiedeyiban，shigaodudanxingfenzi。genjuiupac(guojililunheyingyonghuaxuelianhehui)mingmingguize，gaijiliandanbaidemingzizuzuyou189819gezimu，shimingfuqishishijieshangzuizhangdeyingyudanci。