he com y io ides ▁is ▁the ▁longest ▁accepted ▁bin omial ▁name . ▁It ▁is ▁a ▁species ▁of ▁soldier ▁fly . ▁ ▁, ▁at ▁ 5 2 ▁letters , ▁describing ▁the ▁sp a ▁waters ▁at ▁Bath , ▁England , ▁is ▁attributed ▁to ▁Dr . ▁Edward ▁St ro ther ▁( 1 6 7 5 – 1 7 3 7 ). ▁The ▁word ▁is ▁composed ▁of ▁the ▁following ▁elements : ▁ ▁A e que o : ▁equal ▁( Lat in , ▁a equ o ) ▁ ▁Sal ino : ▁containing ▁salt ▁( Lat in , ▁sal inus ) ▁ ▁Cal cal ino : ▁calci um ▁( Lat in , ▁cal x ) ▁ ▁Cer ace o : ▁w axy ▁( Lat in , ▁c era ) ▁ ▁Al um inos o : ▁al um ina ▁( Lat in ) ▁ ▁Cup re o : ▁from ▁" co pper " ▁ ▁Vit ri ol ic : ▁res emb ling ▁vit ri ol ▁ ▁Notable ▁long ▁words ▁ ▁Place ▁names ▁▁ ▁The ▁longest ▁officially ▁recognized ▁place ▁name ▁in ▁an ▁English - spe aking ▁country ▁is ▁Ta um ata wh ak at ang ih ang ako au au ot am ate ap ok ai wh enu ak itan ata hu ▁( 5 7 ▁letters ), ▁which ▁is ▁a ▁hill ▁in ▁New ▁Zealand . ▁The ▁name ▁is ▁in ▁the ▁M ā ori ▁language . ▁A ▁longer ▁and ▁widely ▁recogn ised ▁version ▁of ▁the ▁name ▁is ▁Ta um ata wh ak at ang ih ang ako au au ot am