compaction

American  

[kuhm-pak-shuhn, kom-] / kəmˈpæk ʃən, kɒm- /

noun

1. the act of compacting compact or the state of being compacted. compact.

2. Geology. the consolidation of sediments resulting from the weight of overlying deposits.

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compaction Scientific  

/ kəm-păk′shən /

1. The process by which the porosity of a given form of sediment is decreased as a result of its mineral grains being squeezed together by the weight of overlying sediment or by mechanical means.

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Etymology

Origin of compaction

1350–1400; Middle English compaccioun < Latin compāctiōn- (stem of compāctiō ) a joining, frame, equivalent to compāct ( us ) compact ¹ + -iōn- -ion

Example Sentences

For many years, researchers did not know how this extra level of chromatin compaction occurred.

From Science Daily

They also discovered that these loops appear to form as a result of the genome compaction that occurs during mitosis.

From Science Daily

For one, construction activities like excavation and soil compaction from heavy machinery can damage a tree’s critical root zone, preventing uptake of water and nutrients crucial for the plant’s survival.

From Los Angeles Times

These aquifers lie hundreds of feet underground, below shallow aquifers and clay layers, and they contain clay layers that are especially susceptible to compaction when water is extracted.

From Los Angeles Times

“There were four crews out there doing surveys, site analysis, for safety, for soils compaction, for environmental issues, utilities issues,” Soboroff said.

From Los Angeles Times