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| a scrap or morsel of food left at a meal. |
| the offspring of a zebra and a donkey. |
| ionosphere (aɪˈɒnəˌsfɪə) | |
| —n | |
| D region E region See also F region a region of the earth's atmosphere, extending from about 60 kilometres to 1000 km above the earth's surface, in which there is a high concentration of free electrons formed as a result of ionizing radiation entering the atmosphere from space | |
| ionospheric | |
| —adj | |