low-grade low-grade


  • (adj) of inferior quality


  1. But low-grade oxide ores, like Nevada's, evaded all ordinary flotation methods until the Bureau of Mines men hit on a new scheme: flotation in reverse with a new solvent.
  2. Rich and handy ore deposits will be exhausted soon, but there will always be plenty of low-grade stuff.
  3. Though processing low-grade ore costs up to $30 per ton, the even quality of the pellets hikes blast-furnace output as much as 20%, and produces better pig iron.


  • Prostate Cancer Doesn't Always Benefit from Treatment

    Many men who have been diagnosed with low-grade prostate cancer can safely choose careful monitoring instead of immediate treatment, according to a study from the Dana-Farber Cancer Institute and Massachusetts General Hospital.
    on June 18, 2013     Source: ThirdAge


  1. "Well, Matt, to be honest, I've been calling it a civil war, low-grade conflict, for 18 months," said retired Gen. Barry McCaffrey, an NBC News consultant.
    on Nov 27, 2006 By: Barry McCaffrey Source: Washington Post

  2. "The reality is that it is easier to buy low-grade radioactive material for a dirty bomb than it is to buy cold medicine that has been restricted because of the meth epidemic," Coleman said. "The operation demonstrated that the Nuclear...
    on Mar 27, 2006 By: Norm Coleman Source: USA Today

  3. "I have never had what you would call an asthma attack but the doctors think I've always been a low-grade asthmatic," Hackett said. "They say I just got used to having my breathing inhibited, and that it Is exacerbated by swimming so hard and...
    on Nov 20, 2007 By: Grant Hackett Source: The Australian

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