overburden Meaning, Definition & Usage
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noun the surface soil that must be moved away to get at coal seams and mineral deposits
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noun an excessive burden
overload.
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verb burden with too much work or responsibility
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verb load with excessive weight
WordNet
O`ver*bur"den transitive verb
Definitions
To load with too great weight or too much care, etc. Sir P. Sidney.
O"ver*bur`den noun
Definitions
The waste which overlies good stone in a quarry. Raymond.