[ kuh m-pak-shuh n, kom- ]
/ kəmˈpæk ʃən, kɒm- /


the act of compacting or the state of being compacted.
Geology. the consolidation of sediments resulting from the weight of overlying deposits.

Origin of compaction

1350–1400; Middle English compaccioun < Latin compāctiōn- (stem of compāctiō) a joining, frame, equivalent to compāct(us) compact1 + -iōn- -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for compaction

  • This compaction in love will lead to a wealth of certitude in the possession of the truth.

  • Each is drawing toward the other, but like glass in the mid-state between fusion and compaction a single sand will splinter it.

    Anima Poet|Samuel Taylor Coleridge

Scientific definitions for compaction

[ kəm-păkshən ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.