Me|so|zo|ic

Me|so|zo|ic «_MEHS uh ZOH ihk, _MEE suh-», noun, adjective.

–n.

1. the geological era before the present era; Age of Reptiles. It was characterized by the development of mammals, flying reptiles, birds, and flowering plants, and the appearance and death of dinosaurs. It comprises the Triassic, Jurassic, and Cretaceous periods. The Mesozoic began about 225 million years ago.

2. the rocks formed in this era.

–adj.

of this era or these rocks.

╂[< meso- + Greek zō life + English -ic]