IPA: /kəmˈprɛʃənl/
KK: /kəmˈprɛʃənl/
Relating to or resulting from compression, which is the act of pressing something into a smaller space or volume.
The compressional forces in the Earth's crust can lead to the formation of mountains.
Compressional → It is formed from "com-" (meaning together) and "premere" (meaning to press). The word "compressional" refers to the act or process of pressing things together.
Think of pressing things "together" ('com-') — that's why compressional relates to the act of pressing together.