pliocena 67
Pliocene , na . ( Of the Gr. ?, and?, recent). 1. adj. Géol. It is said of the fifth age of the tertiary period, which covers from makes five million years to two million years ago. U t. c. s. m. Or RTOGR. ESCR. with may. initial c. s. 2. adj. Geol. Belonging or relating to this time.