Definition of overburden

noun (n)

• the surface soil that must be moved away to get at coal seams and mineral deposits (noun.object)

  source: wordnet30
• an excessive burden (noun.artifact)

  Synonym: overload
  

  source: wordnet30
• The waste which overlies good stone in a quarry. (noun)

  source: webster1913

verb (v)

• burden with too much work or responsibility (verb.communication)

  source: wordnet30
• load with excessive weight (verb.contact)

  source: wordnet30
• To load with too great weight or too much care, etc. (verb)

  source: webster1913

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