the envelopment, in which access to the enemy's flank and rear is furnished by the enemy's own forward movement. Single envelopments are directed against only one flank of the defending forces, while double envelopments attack both flanks. Either variant can develop into an encirclement if the attacking force is able to sever the
Medical Definition of carbohydrate. : any of various neutral compounds of carbon, hydrogen, and oxygen (as sugars, starches, and celluloses) most of which are formed by green plants and which constitute a major class of animal foods.
A carbohydrate is an organic compound with the general formula Cm(H2O)n, that is, consisting only of carbon, hydrogen and oxygen, the last two in the 2:1 atom ratio. Carbohydrates can be viewed as hydrates of carbon, hence their name.   The term is most common in biochemistry, where it is a synonym of saccharide.or example, blood sugar is the monosaccharide glucose, table sugar is the disaccharide sucrose, and milk sugar is the disaccharide lactose (see illustration).   Carbohydrates perform numerous roles in living things.