showing a high degree of refinement and the assurance that comes from wide social experience; "his polished manner"; "maintained an urbane tone in his letters"
The process by which the coarse parts of a food are removed. When wheat is refined into flour, the bran, germ and husk are removed, leaving only the endosperm.
Biophysical or chemical alteration of raw material. In regard to food, it means that components are removed in order to preserve them, destroying their holistic structure and energy/information/consciousness content.