compaction noun. [kǝm'pakʃ(ǝ)n] LME.
[Latin compactio(n-), formed as COMPACT verb¹: see -ION. Cf. Old French compaction.]
The action, process, or result of making or becoming compact; spec. the action or process of inducing the particles of a substance (as soil, concrete, etc.) to combine more tightly.

[TahlilGaran] English Dictionary ▲