What does "low-grade" mean?
Of inferior quality.
adj ·Uncommon ·Advanced level
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"Were the possibilities of improving the efficiency of British Railways' steam locomotives by making the best use of the reasonably satisfactory low-grade lump coal available today, and thereby saving more high-grade locomotive coal, borne in mind when it was decided to go ahead rapidly with replacement of steam traction?"
"These studies have identified a novel role for MLKL in aging, revealing a delay in the age-related reduction in circulating lymphocytes and a protection from chronic, low-grade, sterile inflammation in female Mlkl^(–/–) aged mice."
"I polished for all I was worth. The trouble is that my stock of low-grade gems was surprisingly low."
Of inferior quality.
Common synonyms include: base, bottom tier, cheap, cheesy, coarse, common.
I polished for all I was worth. The trouble is that my stock of low-grade gems was surprisingly low.