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compact
(redirected from pack together)

    Also found in: Dictionary/thesaurus, Legal, Idioms, Wikipedia 0.04 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
 
The researchers placed the liquid crystals in water, which caused the water-loving ends to pack together and form nanometer-scale pores.
For sweat's sake by Science News
Because the atoms pack together so tightly under these conditions, they're tough to break apart--making diamonds the hardest material on Earth.
Name that element! which element on the periodic table makes ultra ... by Tucker, Libby / Science World
Pellets fall into a spool-like chamber and pack together solidly, held on both sides by discs at the ends of the spool.
Novel way of feeding pellets more accurately by Plastics Technology
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