👉 Epi- or Epiphenomenon, a phenomenon observed in which a system, such as an atom, molecule, or particle, exhibits properties that are different from those of its surroundings. This occurs when a substance, such as an atom or molecule, has a property that is not common to its environment. For instance, if a substance has a high electrical resistance, it may be able to resist the flow of electricity, which would normally cause the system to conduct or heat up. E
