Oak has been used as a Quinine substitute in the treatment of fevers. Tannins provide many of the healing properties of oak. Tannins bind with proteins in tissues, making a barrier resistant to bacterial invasion. Tannins strengthen tissues and blood vessels.
The opposite term Occident derives from the Latin word occidens, meaning west (lit. setting < occido fall/set). This term meant the west (where the sun sets) but has fallen into disuse in English, in favor of Western world.
The definition of dissident is not in agreement. An example of something dissident is a point of view that varies from the mainstream opinion. Dissident is defined as someone who disagrees. An example of a dissident is a person who completely disagrees with the rest of her family on multiple issues.