Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Describing any atom that has a very large atomic weight; especially those that lie beyond fermium in the periodic table
  • adj. Extremely or exceedingly heavy.

Etymologies

ultra- +‎ heavy (Wiktionary)

Examples

  • Coal, for example or oil sands, or shales, or the ultraheavy oils like the Orinoco fields can be made into liquid fuel.

    SM Stirling takes on peak oil

  • In particular, refiners are working to expand production from the Canadian tar sands, which hold large reserves of ultraheavy oil.

    Refiners Face Obstacles to Processing

  • One critical bottleneck involves ultraheavy steel forgings that go into the most critical parts of a nuclear power plant.

    Utilities Fret as Reactor-Part Suppliers Shrink

  • The figures above do not take into account the additional estimated 1 trillion barrels of technically recoverable, so-called unconventional oil like ultraheavy oil, bituminous schist and tar sands.

    What Lies Below?

  • Would this approach result in fewer ultraheavy SUVs on the road?

    The Threat to the Planet

  • For example, the Black Crowes video for “Remedy” was on ultraheavy MTV rotation in the summer of 1992, and I saw it every single day often twice or thrice for three straight months.

    Fargo Rock City

  • Avernus, Niflheim, and the like — that served vessels bound to or from the terrible R-class worlds where ultraheavy elements are mined.

    Sagittarius Whorl

  • The Haluk don't need to steal ultraheavy elements.

    Sagittarius Whorl

  • "So long as the xenos pay a good price in ultraheavy elements, they'll likely get what they want."

    Sagittarius Whorl

  • "Do the Haluk have a large supply of ultraheavy elements?"

    Sagittarius Whorl

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