[see-nuh-zoh-ik, sen-uh-] 
Geology| 1. | noting or pertaining to the present era, beginning 65 million years ago and characterized by the ascendancy of mammals. |
| 2. | the Cenozoic Era or group of systems. |
| Ce·no·zo·ic (sē'nə-zō'ĭk, sěn'ə-) adj. Of, belonging to, or designating the latest era of geologic time, which includes the Tertiary Period and the Quaternary Period and is characterized by the formation of modern continents, glaciation, and the diversification of mammals, birds, and plants. See Table at geologic time. n. The Cenozoic Era. [Greek kainos, new; see ken- in Indo-European roots + -zoic.] |
nəˈzoʊ