an electron that is not attached to an atom or molecule and is free to respond to outside forces.
any electron that is not attached to an ion, atom, or molecule and is free to move under the influence of an applied electric or magnetic field
noun, Thermodynamics. 1. . 2. . noun 1. a thermodynamic property that expresses the capacity of a system to perform work under certain conditions See Gibbs function, Helmholtz function free energy n. A thermodynamic quantity that is the difference between a system’s internal energy and the product of its absolute temperature and entropy; the portion […]
noun 1. an economic and political doctrine holding that a capitalist economy can regulate itself in a freely competitive market through the relationship of supply and demand with a minimum of governmental intervention and regulation. 2. the practice of free enterprise in an economy, or the right to practice it. noun 1. an economic system […]
noun 1. a person who practices or advocates .
noun, Thermodynamics. 1. the expansion of a gas into an evacuated space without the transfer of heat or the performance of work.