overburden

Listen See in a sentence
(ō′vər bʉrd′'n; for n. ō′vər bʉrd′'n)

transitive verb

to burden oppressively; weigh down

noun

  1. something that overburdens
  2. Geol. soil, rock, etc. that is covering or overlying a useful deposit, as of ore

See overburden in American Heritage Dictionary 4

transitive verb o·ver·bur·dened, o·ver·bur·den·ing, o·ver·bur·dens
  1. To burden with too much weight; overload.
  2. To subject to an excessive burden or strain; overtax.
noun (ōˈvər-bûrˌdn)
  1. An excessive burden; an overload.
  2. Geology
    a. Material overlying a useful mineral deposit.
    b. Sedimentary rock covering older crystalline layers.
  3. Archaeology A sterile stratum overlying a stratum bearing traces of the culture being studied.

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© 1996-2013 LoveToKnow, Corp. All Rights Reserved. Audio pronunciation provided by LoveToKnow, Corp.