refinement

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refinement

[ri′fīn·mənt]
(mathematics)
A tower that can be obtained by inserting a finite number of subsets in a given tower.
References in classic literature ?
The superior refinement of his face was much more striking than that of Arthur's when seen in comparison with the people round them.
As I was sensible myself, that I had always behaved in a manner which reflected Honour on my Feelings and Refinement, I paid little attention to what she said, and desired her to satisfy my Curiosity by informing me how she came there, instead of wounding my spotless reputation with unjustifiable Reproaches.
It was the usual thing - the disappointment of the baffled drunkard - a little more terrible in his case perhaps because of the remnants of refinement still to be traced in his well-shaped features.
Being people of great refinement, they did not want to offend you so deeply as not to allow you the honor of paying the bill.
The poor creature was no ordinary native girl, but a person of great, I had almost said stately, beauty, and of considerable refinement of mind.
Even the literary tchinovnik gives such parties in his room--though, in his case, everything is done delicately and with a certain refinement, so that the thing has something of a retiring and innocent air.
Both the young ladies who had just left us were pleasing and pretty; and to own the truth, there was an air of modest refinement about them, that was not so apparent in this new visiter; but the dazzling appearance of the latter, at first, blinded me to her faults, and I saw nothing but her perfection.
An official who is US president Donald Trump's nominee to lead the Fed has opined that banking rules in the nation need refinements.
These design refinements were submitted in June 2015 to the Texas Department of Transportations Environmental Affairs Division (ENV); it was determined that an environmental reevaluation is required.
A 7in touchscreen |infotainment and navigation system features are among the extra refinements of the Subaru XV
However in some refinements the difference Fourier map shows no distinct peaks.
A study of physicians who transitioned from a locally developed electronic health record (EHR) to a new, commercial EHR found that, over time and with system refinements, use of a commercial EHR with advanced clinical decision support led to lower prescribing errors.