gabbro

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Using a slab of gabbro, a rock mineralogically similar to basalt, we measure a current on the order of 100 nanoamperes.

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Definitions (5)

Toggle American Heritage definitions American Heritage Dictionary (1)

  1. noun A usually coarse-grained igneous rock composed chiefly of calcic plagioclase and pyroxene. Also called norite.

Toggle Century definitions Century Dictionary (2)

Toggle GNU Webster definitions GNU Webster's 1913 (1)

Toggle WordNet definitions WordNet (1)

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Examples (44)

  • The magnetic data for both properties may be interpreted to indicate the presence of gabbro dykes or masses, which could host mineralization similar to the L-Zone. —  Marketwire - Breaking News Releases
  • Such a gabbro mass on the northwestern edge of the Big Mac property is shown on a geological map produced by previous workers. —  Marketwire - Breaking News Releases
  • One such vantage point is in the Brook Garden, fragrant with autumn clematis, where you'll find Isamu Noguchi's "Black Sun" (1960-63), a modernist doughnut made of gabbro,
  • Six strong EM conductors have been identified by a previous MKVI Input EM survey associated with magnetic bodies interpreted to be gabbro-pyroxenite, similar in setting to the Norton deposit (since the Gee Ten web site is under reconstruction please see East West's website for details, www. eastwestres.com). —  Marketwire - Breaking News Releases
  • Some common mafic igneous rocks include fine-grained basalt and coarse-grained gabbro. —  Featured Articles - Encyclopedia of Earth
 

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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. Italian, perhaps from Latin glaber, bald, beardless.

Toggle Century etymologies Century Dictionary (1)

  1. A word of obscure origin used in Italy, but more especially in the neighborhood of Florence, and by the marble-workers there, and introduced into lithological science by Von Buch in 1809.
 

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/ˈgæbroʊ/
by American Heritage

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