Definitions

from The Century Dictionary.

  • noun In chem., a basic salt; a salt in which two or more equivalents of the base, or molecules of the metallic oxid, are combined with one of the acids radical, as mercurous subacetate, Hg2(C2H3O2)2, or cuprous chlorid, Cu2Cl2.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) A basic salt. See the Note under salt.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Lying beneath a layer of salt.
  • noun chemistry, archaic A basic salt.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

sub- +‎ salt

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Examples

  • At the time of the leak at the Frade field, Chevron was tapping oil at 3,800 feet, shallower than this so-called subsalt level.

    Spill Casts Pall Over Brazil Oil Patch John Lyons 2011

  • Among the so-called subsalt discoveries, the biggest is Tupi, which is estimated to contain between five and eight billion barrels of oil.

    BP Taps Deep Water to Grow Guy Chazan 2010

  • Among the so-called subsalt discoveries, the biggest is Tupi, which is estimated to contain between five and eight billion barrels of oil.

    BP Taps Deep Water to Grow Guy Chazan 2010

  • Brazil's so-called subsalt oil lies in deep water under thousands of feet of sand, rock and a shifting layer of salt.

    Offshore Brazil Beckons for BP Guy Chazan 2010

  • Among the so-called subsalt discoveries, the biggest is Tupi, which is estimated to contain between five and eight billion barrels of oil.

    BP Pays $7 Billion for Offshore Assets Guy Chazan 2010

  • Among the so-called subsalt discoveries, the biggest is Tupi, which is estimated to contain between five and eight billion barrels of oil.

    BP Taps Deep Water to Grow Guy Chazan 2010

  • Brazil's so-called subsalt oil lies in deep water under thousands of feet of sand, rock and a shifting layer of salt.

    Offshore Brazil Beckons for BP Guy Chazan 2010

  • Brazil's so-called subsalt offshore oil belt has been concessioned to oil companies for development.

    unknown title 2011

  • PBR.N said Wednesday its Tupi field, one of the crown jewels in Brazil's so-called subsalt oil fields, would now be known as "Lula."

    Huge Brazil oil field will bear Lula's name | Reuters 2010

  • SA gained 1.16 percent after the company said its reserves rose by 8.3 billion barrels of oil equivalent after two massive offshore oilfields in the deep-water region known as the subsalt were declared commercially viable.

    EMERGING MARKETS-Latam stocks rise, helped by commodity bets | Reuters 2010

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