IPA: /ædˈhiːʒənl/
KK: /ædˈhiːʒənl/
Connected to the process of sticking or bonding two surfaces together.
The adhesional properties of the material were tested in the laboratory.
Adhesional → It is formed from "ad-" (meaning to) and "haerere" (meaning to stick or cling). The word "adhesional" refers to something related to the act of sticking or clinging to a surface.
Think of something that is 'sticking to' ('ad-') a surface — that's what 'adhesional' means.