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compact
(redirected from compactors)

    Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia 0.02 sec.
compact1
1. Logic (of a relation) having the property that for any pair of elements such that a is related to b, there is some element c such that a is related to c and c to b, as less than on the rational numbers.
2. US and Canadian (of a car) small and economical
3. US and Canadian a comparatively small and economical car
4. Metallurgy a mass of metal prepared for sintering by cold-pressing a metal powder
compact2
Law an official contract or agreement
compact [′käm‚pakt]
(metallurgy)
A briquette made by the compression of metal powder, with or without the addition of nonmetallic constituents.
compact - 1. (Or "finite", "isolated") In domain theory, an element d of a cpo D is compact if and only if, for any chain S, a subset of D,

d <= lub S => there exists s in S such that d <= s.

I.e. you always reach d (or better) after a finite number of steps up the chain.

("<=" is written in LaTeX as \sqsubseteq).


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? Mentioned in ? References in periodicals archive
 
Braswell is responsible for field support, which includes recommending equipment, product training and technical support for the Marathon Ramjet line of compactors and vertical balers in a territory that consists of South Carolina, northern Georgia, eastern Tennessee and western North Carolina.
Marathon appoints regional sales manager by Recycling Today
The company markets hydraulic hammers, plate compactors, excavator attachments and stationary boom systems in Canada, Belgium and Luxembohurg.
Tramac celebrates 40th anniversary by Construction & Demolition Recycling
With compactors frequently breaking down, Roseville looked into a lease-main-tenance service program and what it found out about its own budget wasn't pretty: the 8,000-student district was knee-deep in operating expenses.
Outsourcing cleans up by Pasacreta, Karen / District Administration
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