1. Not fully understood
   "an uncomprehended mystery"

See also: ununderstood

• Einstein's theory of relativity
• Einsteinian
• einsteinium
• Einthoven
• Eira
• Eira barbara
• Eire
• eirenic
• eirenical
• eisegesis
• Eisenhower
• Eisenstaedt
• Eisenstein
• genus Eunectes
• genus Euonymus
• genus Eupatorium
• genus Euphagus
• genus Euphorbia
• genus Euphractus
• genus Euplectella
• genus Euproctis
• genus Eurotium
• genus Euryale
• genus Eustoma
• genus Eutamias