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Compaction may refer to: *
Soil compaction In geotechnical engineering, soil compaction is the process in which stress applied to a soil causes densification as air is displaced from the pores between the soil grains. When stress is applied that causes densification due to water (or other ...
, for mechanically induced compaction near the ground surface * Compaction of ceramic powders *
Compaction (geology) In sedimentology, compaction is the process by which a sediment progressively loses its porosity due to the effects of pressure from loading. This forms part of the process of lithification. When a layer of sediment is originally deposited, it c ...
, part of the process of lithification involving mechanical dewatering of a sediment by progressive loading under several km of geomaterial * Faecal compaction, an extreme form of
constipation Constipation is a bowel dysfunction that makes bowel movements infrequent or hard to pass. The Human feces, stool is often hard and dry. Other symptoms may include abdominal pain, bloating, and feeling as if one has not completely passed the ...
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Waste compaction Waste compaction is the process of compacting waste, reducing it in size. Garbage compactors and waste collection vehicles compress waste so that more of it can be stored in the same space. Waste is compacted again, more thoroughly, at the land ...
, related to garbage *
Cold compaction Powder metallurgy (PM) is a term covering a wide range of ways in which materials or components are made from metal powders. PM processes are sometimes used to reduce or eliminate the need for subtractive processes in manufacturing, lowering mat ...
, powder compaction at low temperatures *
Data compaction In telecommunications, data compaction is the reduction of the number of data elements, bandwidth, cost, and time for the generation, transmission, and storage of data without loss of information by eliminating unnecessary redundancy, removing ...
, related to computers **
Curve-fitting compaction Curve-fitting compaction is data compaction accomplished by replacing data to be stored or transmitted with an analytical expression. Examples of curve-fitting compaction consisting of discretization and then interpolation are: * Breaking of a co ...
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Compactor A compactor is a machine or mechanism used to reduce the size of material such as waste material or bio mass through compaction. A trash compactor is used in business and public places like hospitals (and in the United States also in homes) to ...
, a device that performs compaction * Compaction a cellular differentiation process in the early embryo


See also

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Compact (disambiguation) Compact as used in politics may refer broadly to a pact or treaty; in more specific cases it may refer to: * Interstate compact, a type of agreement used by U.S. states * Blood compact, an ancient ritual of the Philippines * Compact government, a ...
* Compactification (disambiguation) *
Impaction (disambiguation) Impaction may refer to: * Impaction (animals), blockage of the digestive tract of animals * Fecal impaction, a solid, immobile bulk of feces or indigestible matter that can develop in the rectum * Dental impaction, the failure of a tooth fully to e ...
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