Definition of downgrade. 1  1 : a downward grade (as of a road) 2  2 : a descent toward an inferior state a career on the downgrade.
[simaËron]), is a traditional South American caffeine-rich infused drink, particularly in Argentina (where it is defined by law as the national infusion), Uruguay, Paraguay, the Bolivian Chaco and Southern Brazil, and in southern Chile.s the Yerba Mate Association of the Americas points out, with the accent the word mate matÃ© In spanish Means i. Killed In, brazil traditionally prepared mate is known as, chimarrao chimarrÃ£o although the word mate and  the expression  (mate amargo) bitter mate are also Used in Argentina. and uruguay
Yerba mate is a traditional drink made from the dried leaves of an evergreen holly, Ilex paraguariensis, a native plant of South America. This plant is found in the wild but is also cultivated on plantations similarly to familiar kinds of tea. In countries where yerba mate is widely consumed, it assumes the cultural importance exemplified by coffee cafÃ©s and Japanese tea ceremonies. Drinking yerba mate tea is often a social event.