| Word | Definitions | Synonyms |
|---|---|---|
| ionophoresis | (noun) the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode | Synonyms: cataphoresis, dielectrolysis, electrophoresis |
| ionosphere | (noun) the outer region of the Earth's atmosphere; contains a high concentration of free electrons | - |