Eifelian التعريفات والمعاني == English == === Etymology === From Eifel + -ian. === Proper noun === Eifelian (geology, paleontology) A subdivision of the Devonian period. ==== Translations ==== شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة eifelite Eiferin Eifelern exfoliant Eifélien Eifeliense efesian exfoliante