Dimethyl sulfoxide (DMSO) is an organosulfur compound with the formula (CH3) 2 S O.This colorless liquid is an important polar aprotic solvent that dissolves both polar and nonpolar compounds and is miscible in a wide range of organic solvents as well as water.It has a relatively high melting point.he sodium derivative of DMSO formed in this way is referred to as  dimsyl sodium . It is a base, e.g., for the deprotonation of ketones to form sodium enolates, phosphonium salts to form Wittig reagents, and formamidinium salts to form diaminocarbenes. It is also a potent nucleophile.
A snare is a trap for catching birds or small animals. It consists of a loop of wire or rope which pulls tight around the animal. 2. countable noun. If you describe a situation as a snare, you mean that it is a trap from which it is difficult to escape.
Etymology: L, pronare, to bend forward. 1 assumption of a prone position, one in which the ventral surface of the body faces downward. 2 (of the arm) the rotation of the forearm so that the palm of the hand faces downward or backward. 3 (of the foot) the lowering of the medial edge of the foot by turning it outward and through abduction in the tarsal and metatarsal joints. pronate, v.