1. Eocene

noun. from 58 million to 40 million years ago; presence of modern mammals.

Rhymes with Eocene

• adenosine
• biocine
• glycine
• internecine
• isoprinosine
• kerosene
• miocene
• oligocene
• overseen
• paleocene
• plasticine
• pleistocene
• pliocene
• pyroxene