Engelsk navneord: ionosphere | |||
| 1. | ionosphere (om sted) the outer region of the Earth's atmosphere; contains a high concentration of free electrons | ||
| Mindre specifikke termer | part, region | ||
| Omfatter disse specifikke termer | Appleton layer, D region, D-layer, E layer, E region, F layer, F region, Heaviside layer, Kennelly-Heaviside layer | ||
| Omfatter disse overordnede termer | air, atmosphere | ||