| 释义 |
partial pediment [`pär·shǝl `ped·ǝ·mǝnt] GEOLOGY 1. A broadly planate, gravel- capped, interstream bench or terrace. 2. A broad, planate erosion surface which is formed by the coalescence of contemporaneous, valley-restricted benches developed at the same elevation in proximate valleys, and which would produce a pediment if uninterrupted planation were to continue at this level. |