an open chain of atoms attached to an atom of a larger chain, or to a ring.
(chem) a group of atoms bound to an atom, usually a carbon, that forms part of a larger chain or ring in a molecule
side chain n.
A linear group of atoms linked to a benzene ring or to any cyclic chain compound.
A chain or ring in an organic molecule that branches off from a central structure or from a part that is a point of reference.
noun 1. a straight-backed chair without arms.
noun 1. a checkrein passing from the bit to the saddle of a harness.
noun, Electricity. 1. See under phantom circuit. phantom circuit noun, Electricity. 1. a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
noun 1. earlock.