The material lying over a particular point underground, esp. over a tunnel or pipeline. Also: the pressure due to the weight of this material.
| 单词 | θ6134 |
| 释义 | the world > the earth > structure of the earth > constituent materials > [noun] > material of earth's crust > loose material on surface > over a particular point (1) overburden1948 The material lying over a particular point underground, esp. over a tunnel or pipeline. Also: the pressure due to the weight of this material. |
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