the.com/adhesion
The stubborn loyalty between two surfaces that refuse to break up.
means The force that makes different materials stick to each other, rather than to themselves.
from From Latin adhaerere, to cling or stick to, built from ad (to) plus haerere (to stick) — the same root that gives us hesitate, literally being stuck mid-thought.
Not cohesionCohesion sticks like to like; adhesion sticks unlike to unlike.
Water trickAdhesion pulls water up plant stems against gravity.
Medical senseInternal scar tissue can glue organs together unwantedly.
Gecko powerGeckos climb via molecular adhesion, no glue required.