WordReference Random House Unabridged Dictionary of American English © 2026
lub, [Math.]
  1. MathematicsSee least upper bound. 

lub., 
    1. lubricant.
    2. lubricating.
    3. lubrication.

'lub' also found in these entries (note: many are not synonyms or translations):

Forum discussions with the word(s) "lub" in the title:


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