Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: eobiont
Next word: eoclimax
Definition of: Eocene
(ē′ə·sēn) Geol. adjective
Of, pertaining to, or existing in the Lower Tertiary period of the Cenozoic era, following the Paleocene and succeeded by the Oligocene.
—noun The second epoch of the Cenozoic era, associated with a warm climate and the rise of mammals. See chart under GEOLOGY. [<EO- + Gk. kainos new]
Comment about this word, ask questions, or add new information about this topic: