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lub

1 American  

abbreviation

Mathematics.
  1. least upper bound.


lub. 2 American  

abbreviation

  1. lubricant.

  2. lubricating.

  3. lubrication.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When ventricular pressure rises above the pressure in the atria, blood flows toward the atria, producing the first heart sound, S1 or lub.

From Textbooks • Jun. 19, 2013

I can’t tell you how much I lub it.

From Blown to Bits The Lonely Man of Rakata, the Malay Archipelago by Ballantyne, R. M. (Robert Michael)

“O Mass’ Ben! fo’ de lub o’ Gorramity, swum to de right,—round dat away, an’ let me git ’tween you an de ravenin’ beast.

From The Ocean Waifs A Story of Adventure on Land and Sea by Reid, Mayne

Jes lub me, and come sometimes to see me ef you can, it's so hard livin' in dis yere place.

From Aunt Jo's Scrap-Bag VI An Old-Fashioned Thanksgiving, Etc. by Alcott, Louisa May

He instantly stopped, threw his arms round my neck, and sobbed out—'Baby lub Mama—good.'

From Story of My Life, volumes 1-3 by Hare, Augustus J. C.