American Dictionary
Define dictionary terms easily — search for "example", "dictionary", "language", or "word" in our powerful online English dictionary.
Define dictionary terms easily in our powerful online English dictionary.
Searching for...
No matching words found
Try a different search term or browse the dictionary
relating to an era of geological history that extends from around 66 million years ago to the present
The Cenozoic Era is also known as the Age of Mammals and the Age of Birds.
The Cenozoic is divided into three periods: the Paleogene, Neogene, and Quaternary.
