| Main Entry: | tectonic plate |
| Part of Speech: | n |
| Definition: | the two sub-layers of the earth's crust (lithosphere) that move, float, and sometimes fracture and whose interaction causes continental drift, earthquakes, volcanoes, mountains, and oceanic trenches |
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| a fool or simpleton; ninny. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |